Physical Science - 2nd Grade Science
Card 1 of 416
Kelly is trying to decide which item number is most likely describing the seashell below based on its observable properties. Looking at the data table, which item is the best match?
Kelly is trying to decide which item number is most likely describing the seashell below based on its observable properties. Looking at the data table, which item is the best match?
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The item that is most likely describing the seashell is "Item 1". A seashell has all of the matching observable properties, so it could be classified in the same category. A seashell is hard, does not bounce, is irregularly shaped, tan, and would feel rough to the touch. None of the other items would be a match.
The item that is most likely describing the seashell is "Item 1". A seashell has all of the matching observable properties, so it could be classified in the same category. A seashell is hard, does not bounce, is irregularly shaped, tan, and would feel rough to the touch. None of the other items would be a match.
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Ralph made a table with the descriptions of four mystery items, and his friend Steven had to guess which item was describing a teddy bear's observable property. Which item should Steven choose as the teddy bear's description?
Ralph made a table with the descriptions of four mystery items, and his friend Steven had to guess which item was describing a teddy bear's observable property. Which item should Steven choose as the teddy bear's description?
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Steven should guess "Item 4" is a match to his teddy bear because they share the same observable properties. The teddy bear is brown, soft, smooth, would not bounce, and is an irregular shape. The other items could not be classified as a teddy bear.
Steven should guess "Item 4" is a match to his teddy bear because they share the same observable properties. The teddy bear is brown, soft, smooth, would not bounce, and is an irregular shape. The other items could not be classified as a teddy bear.
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Which answer choice could be classified as "Item 2"?
Which answer choice could be classified as "Item 2"?
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"Item 2" is described as hard, not bouncy, square, green, and smooth to the touch. When reviewing the answer choices, they are all green but have other observable properties that would not allow them to be classified as "Item 2". The tennis ball is round, the block is rough on top and rectangular, and the leaves are irregular shaped. The only answer choice that matches the characteristics is the cube.
"Item 2" is described as hard, not bouncy, square, green, and smooth to the touch. When reviewing the answer choices, they are all green but have other observable properties that would not allow them to be classified as "Item 2". The tennis ball is round, the block is rough on top and rectangular, and the leaves are irregular shaped. The only answer choice that matches the characteristics is the cube.
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Observable properties classify all of the items listed. What observable property are all of the items in "Category 3" sorted by?
Observable properties classify all of the items listed. What observable property are all of the items in "Category 3" sorted by?
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Observable properties are characteristics of an object or material that can be gathered using the five senses. When looking through each category, there is a common property that groups the items. In "Category 3," all of the items are brown, so they are classified by color.
Observable properties are characteristics of an object or material that can be gathered using the five senses. When looking through each category, there is a common property that groups the items. In "Category 3," all of the items are brown, so they are classified by color.
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Observable properties classify all of the items listed. What observable property are all of the items in "Category 1" sorted by?
Observable properties classify all of the items listed. What observable property are all of the items in "Category 1" sorted by?
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Observable properties are characteristics of an object or material that can be gathered using the five senses. When looking through each category, there is a common property that groups the items. In "Category 1," all of the items are rectangular, so they are classified by shape.
Observable properties are characteristics of an object or material that can be gathered using the five senses. When looking through each category, there is a common property that groups the items. In "Category 1," all of the items are rectangular, so they are classified by shape.
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Observable properties classify all of the items listed. What observable property are all of the items in "Category 2" sorted by?
Observable properties classify all of the items listed. What observable property are all of the items in "Category 2" sorted by?
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Observable properties are characteristics of an object or material that can be gathered using the five senses. When looking through each category, there is a common property that groups the items. In "Category 2," all of the items are round, so they are classified by shape.
Observable properties are characteristics of an object or material that can be gathered using the five senses. When looking through each category, there is a common property that groups the items. In "Category 2," all of the items are round, so they are classified by shape.
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Observable properties classify all of the items listed. Which category would Rishi put a green gummy bear in based on its properties?
Observable properties classify all of the items listed. Which category would Rishi put a green gummy bear in based on its properties?
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A green gummy bear would not fit into any of the categories based on its observable physical characteristics. "Category 1" is all rectangular or square objects, "Category 2" are round items, and "Category 3" is all brown items. A green gummy bear would need to be placed in a new category.
A green gummy bear would not fit into any of the categories based on its observable physical characteristics. "Category 1" is all rectangular or square objects, "Category 2" are round items, and "Category 3" is all brown items. A green gummy bear would need to be placed in a new category.
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Which answer choice could be classified as "Item 4"?
Which answer choice could be classified as "Item 4"?
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When looking at items or materials, we can classify them based on their observable properties. If we look at the different descriptions of all four items and then think about a tennis ball, some similarities can be found between item 4 and a tennis ball. They can be described with the same properties, so they fall into the same category.
When looking at items or materials, we can classify them based on their observable properties. If we look at the different descriptions of all four items and then think about a tennis ball, some similarities can be found between item 4 and a tennis ball. They can be described with the same properties, so they fall into the same category.
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Ivy is trying to decide which item is most like a fuzzy refrigerator magnet based on its properties. Looking at the data table, which item is the best match?
Ivy is trying to decide which item is most like a fuzzy refrigerator magnet based on its properties. Looking at the data table, which item is the best match?
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When looking at items or materials, we can classify them based on their observable properties. If we look at the different descriptions of all three items and then think about a baseball, some similarities can be found between item 2 and a baseball. They can be described with the same properties, so they fall into the same category.
When looking at items or materials, we can classify them based on their observable properties. If we look at the different descriptions of all three items and then think about a baseball, some similarities can be found between item 2 and a baseball. They can be described with the same properties, so they fall into the same category.
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Observable properties classify all of the items listed. Which category would Montel put a notebook in based on its features?
Observable properties classify all of the items listed. Which category would Montel put a notebook in based on its features?
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Observable properties are characteristics of an object or material that can be gathered using the five senses. When looking through each category, there is a common property that groups the items. In "Category 3," all of the things are brown, so they are classified by color. In "Category 2," all of the items are round, so they are sorted by shape. In "Category 1," all of the things are square or rectangular, so they are also categorized by shapes. The category that a notebook would best fit in is "Category 1".
Observable properties are characteristics of an object or material that can be gathered using the five senses. When looking through each category, there is a common property that groups the items. In "Category 3," all of the things are brown, so they are classified by color. In "Category 2," all of the items are round, so they are sorted by shape. In "Category 1," all of the things are square or rectangular, so they are also categorized by shapes. The category that a notebook would best fit in is "Category 1".
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An example of a change caused by heating or cooling that can be reversed would be the melting of a crayon and then freezing it back into a solid cube.
An example of a change caused by heating or cooling that can be reversed would be the melting of a crayon and then freezing it back into a solid cube.
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The statement above is a true statement and example of how heating and cooling can be reversed. If you melt a crayon, it goes from a solid to a liquid. This can be reversed, and the crayon can be returned to a solid-state by freezing or cooling it. Some changes cannot be reversed, but this example can be reversed.
The statement above is a true statement and example of how heating and cooling can be reversed. If you melt a crayon, it goes from a solid to a liquid. This can be reversed, and the crayon can be returned to a solid-state by freezing or cooling it. Some changes cannot be reversed, but this example can be reversed.
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Becca says that some heating changes can be reversed. She gives the example of melting butter. She says that you can turn a solid piece of butter into a liquid and then turn it back to a solid. Her friend Melva disagrees and says butter cannot be changed back and forth.
Who is correct, and why?
Becca says that some heating changes can be reversed. She gives the example of melting butter. She says that you can turn a solid piece of butter into a liquid and then turn it back to a solid. Her friend Melva disagrees and says butter cannot be changed back and forth.
Who is correct, and why?
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Butter is an excellent example of a heating change that can be reversed. Becca can melt butter and then cool it to reverse the effects. Melva disagreed with her but is unfortunately wrong in this case. Some heating and cooling changes can be reversed.
Butter is an excellent example of a heating change that can be reversed. Becca can melt butter and then cool it to reverse the effects. Melva disagreed with her but is unfortunately wrong in this case. Some heating and cooling changes can be reversed.
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Which material can be heated or cooled, and then have the changes reversed?
Which material can be heated or cooled, and then have the changes reversed?
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Some objects or materials can be heated or cooled, and the changes caused can be reversed. An ice cube could have the changes applied to it reversed. If you heat an ice cube it will melt, you can refreeze it to turn it back to a solid. If you toast bread, bake a cake, or cook an egg, that change cannot be reversed.
Some objects or materials can be heated or cooled, and the changes caused can be reversed. An ice cube could have the changes applied to it reversed. If you heat an ice cube it will melt, you can refreeze it to turn it back to a solid. If you toast bread, bake a cake, or cook an egg, that change cannot be reversed.
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Will says some changes caused by heating cannot be reversed. Angelo says some changes can be reversed.
Their father takes a popsicle out of the freezer and sets it on the counter. The popsicle begins to melt. He gets a call and puts it back into the freezer.
Using this example who is correct, Will or Angelo, and why?
Will says some changes caused by heating cannot be reversed. Angelo says some changes can be reversed.
Their father takes a popsicle out of the freezer and sets it on the counter. The popsicle begins to melt. He gets a call and puts it back into the freezer.
Using this example who is correct, Will or Angelo, and why?
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In the situation presented, Angelo is correct. The changes to the popsicle can be reversed. Once it has been heated up and starts to melt, there is a change. In this case, their father puts it back into the freezer when he gets the call; this would cause the popsicle to refreeze. In some instances, these changes can not be reversed, but in this example, it is possible.
In the situation presented, Angelo is correct. The changes to the popsicle can be reversed. Once it has been heated up and starts to melt, there is a change. In this case, their father puts it back into the freezer when he gets the call; this would cause the popsicle to refreeze. In some instances, these changes can not be reversed, but in this example, it is possible.
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Which photo represents a heating or cooling change that can be reversed?
Which photo represents a heating or cooling change that can be reversed?
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The photo that represents a heating or cooling change that can be reversed is the candle with melting wax. Once the candle is no longer lit, the wax will reharden and no longer will be a liquid. Baking a cake, heating toast, and lighting fireworks are all examples of applying heat in a way that cannot be reversed.
The photo that represents a heating or cooling change that can be reversed is the candle with melting wax. Once the candle is no longer lit, the wax will reharden and no longer will be a liquid. Baking a cake, heating toast, and lighting fireworks are all examples of applying heat in a way that cannot be reversed.
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An example of a change caused by heating or cooling that can be reversed would be the melting of a candy bar and then putting it into the refrigerator to reset the chocolate.
An example of a change caused by heating or cooling that can be reversed would be the melting of a candy bar and then putting it into the refrigerator to reset the chocolate.
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The statement above is a true statement and example of how heating and cooling can be reversed. If you melt a candy bar, the chocolate goes from a solid to a liquid. This can be reversed, and the candy bar can be returned to a solid-state by freezing or cooling it. Some changes cannot be reversed, but this example can be reversed.
The statement above is a true statement and example of how heating and cooling can be reversed. If you melt a candy bar, the chocolate goes from a solid to a liquid. This can be reversed, and the candy bar can be returned to a solid-state by freezing or cooling it. Some changes cannot be reversed, but this example can be reversed.
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Which material can be heated or cooled, and then have the changes reversed?
Which material can be heated or cooled, and then have the changes reversed?
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Some objects or materials can be heated or cooled, and the changes caused can be reversed. Ice could have the changes applied to it reversed. If you heat ice, it will melt, you can refreeze it to turn it back to a solid. If you toast bread, bake a donut, or cook a marshmallow, that change cannot be reversed.
Some objects or materials can be heated or cooled, and the changes caused can be reversed. Ice could have the changes applied to it reversed. If you heat ice, it will melt, you can refreeze it to turn it back to a solid. If you toast bread, bake a donut, or cook a marshmallow, that change cannot be reversed.
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Which photo represents a heating or cooling change that can be reversed?
Which photo represents a heating or cooling change that can be reversed?
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The photo that represents a heating or cooling change that can be reversed is melting ice cream. The ice cream could be put back into the freezer, and it would no longer melt and would return to a solid.
The photo that represents a heating or cooling change that can be reversed is melting ice cream. The ice cream could be put back into the freezer, and it would no longer melt and would return to a solid.
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An example of a change caused by heating or cooling that can be reversed would be the baking of a birthday cake.
An example of a change caused by heating or cooling that can be reversed would be the baking of a birthday cake.
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The statement above is a false statement and an example of how heating and cooling can NOT be reversed. If you bake a cake, a chemical change has occurred when the heat was applied. This cannot be reversed, and the cake cannot be returned to a batter or individual ingredients.
The statement above is a false statement and an example of how heating and cooling can NOT be reversed. If you bake a cake, a chemical change has occurred when the heat was applied. This cannot be reversed, and the cake cannot be returned to a batter or individual ingredients.
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This photo represents a change due to heating or cooling that can be reversed.
This photo represents a change due to heating or cooling that can be reversed.
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The statement above is a false statement and an example of how heating and cooling can NOT be reversed. Once a match is struck and lit, it cannot be reversed. The match can be put out, but it cannot "unlit" or brought back to its original state.
The statement above is a false statement and an example of how heating and cooling can NOT be reversed. Once a match is struck and lit, it cannot be reversed. The match can be put out, but it cannot "unlit" or brought back to its original state.
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