Physical Science - 1st Grade Science
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Vibrations of materials make sounds. The vibration of an object creates sound waves that travel to our ears.
What are vibrations?
Vibrations of materials make sounds. The vibration of an object creates sound waves that travel to our ears.
What are vibrations?
Vibrations are quick back-and-forth movements that create sound waves that travel to our ears for us to hear. An example would be the vibrate setting on a cell phone or holding a ruler off a desk and flicking it so it bounces back and forth on the edge of the table.
Vibrations are quick back-and-forth movements that create sound waves that travel to our ears for us to hear. An example would be the vibrate setting on a cell phone or holding a ruler off a desk and flicking it so it bounces back and forth on the edge of the table.
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Which investigation would work best to see how vibrating materials make sounds?
Which investigation would work best to see how vibrating materials make sounds?
The best set-up of an investigation to see how vibrating materials make sounds would be to use a tuning fork. Once the metal tuning fork is hit on the best students can visually see the fork vibrating and can move their ears closer to listen. Students will be able to see and hear how the vibrations work.
The best set-up of an investigation to see how vibrating materials make sounds would be to use a tuning fork. Once the metal tuning fork is hit on the best students can visually see the fork vibrating and can move their ears closer to listen. Students will be able to see and hear how the vibrations work.
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What is evidence? Example: Mrs. Jacobs required us to write down the evidence we found to support our answer.
What is evidence? Example: Mrs. Jacobs required us to write down the evidence we found to support our answer.
In science, data and observations are collected and used as evidence to support or not support a hypothesis (what the scientist thought was going to happen). Evidence is used to support ideas, arguments, opinions, and thoughts. A scientist cannot make a claim without evidence to support it.
In science, data and observations are collected and used as evidence to support or not support a hypothesis (what the scientist thought was going to happen). Evidence is used to support ideas, arguments, opinions, and thoughts. A scientist cannot make a claim without evidence to support it.
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Sadie has to design a device that uses sound to communicate over a distance. She comes up with what she thinks is a great idea.
How could she test her design?
Sadie has to design a device that uses sound to communicate over a distance. She comes up with what she thinks is a great idea.
How could she test her design?
The best way for Sadie to test her design is to build it and use it. If she makes it and finds some things that need to be fixed or changed, she can work on her design. If she never actually builds it, she won't know if it works.
The best way for Sadie to test her design is to build it and use it. If she makes it and finds some things that need to be fixed or changed, she can work on her design. If she never actually builds it, she won't know if it works.
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Reina has to design a device that uses sound to communicate over a distance. Her teacher lets them start by picking one object. Which object would be the best for Reina to choose to communicate over a distance?
Reina has to design a device that uses sound to communicate over a distance. Her teacher lets them start by picking one object. Which object would be the best for Reina to choose to communicate over a distance?
The object that would be most useful for communicating over a distance would be the whistle. The other objects make noise, but they are quiet and may not be heard depending on how far the teacher separates the students. Reina could make different sounds with the whistle to communicate, so it could be an excellent place to start her device.
The object that would be most useful for communicating over a distance would be the whistle. The other objects make noise, but they are quiet and may not be heard depending on how far the teacher separates the students. Reina could make different sounds with the whistle to communicate, so it could be an excellent place to start her device.
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Asking questions, making observations, and gathering information can be helpful when thinking about designing a device.
Asking questions, making observations, and gathering information can be helpful when thinking about designing a device.
This statement is true. The best way to start the design process would be to ask questions about what you need to make, observe other devices already created or designed, and to gather information about needs and how things work.
This statement is true. The best way to start the design process would be to ask questions about what you need to make, observe other devices already created or designed, and to gather information about needs and how things work.
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If you were to design a device using sound to communicate over a distance, which would be MOST important to consider when building it?
If you were to design a device using sound to communicate over a distance, which would be MOST important to consider when building it?
The most important aspect listed for a device trying to communicate sound across a distance would be how loud it is. If the sound is too soft or quiet, no one will hear the message being sent. The "prettiness" of the sound and how heavy it is are not the most important characteristics.
The most important aspect listed for a device trying to communicate sound across a distance would be how loud it is. If the sound is too soft or quiet, no one will hear the message being sent. The "prettiness" of the sound and how heavy it is are not the most important characteristics.
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Police cars, fire trucks, and ambulances use sirens to communicate their location to other drivers. Which device below would let you communicate your location with other people using sound?
Police cars, fire trucks, and ambulances use sirens to communicate their location to other drivers. Which device below would let you communicate your location with other people using sound?
A handbell would be the best device to choose if you were trying to communicate with other people using sound. A whisper does make a sound, but it will not travel far because it is so soft and quiet. A sign is a great way to share your location, but it does not use sound. A handbell is loud and could easily be heard.
A handbell would be the best device to choose if you were trying to communicate with other people using sound. A whisper does make a sound, but it will not travel far because it is so soft and quiet. A sign is a great way to share your location, but it does not use sound. A handbell is loud and could easily be heard.
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What causes all sounds?
What causes all sounds?
Vibrations cause all sounds. When something vibrates sound waves are sent through the air to our ears to hear. Without vibrations there would be no sounds.
Vibrations cause all sounds. When something vibrates sound waves are sent through the air to our ears to hear. Without vibrations there would be no sounds.
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How does sound travel to our ears?
How does sound travel to our ears?
Sound travels to our ears through sound waves. Once something vibrates sound waves travel through the air and our ears receive and process the sounds.
Sound travels to our ears through sound waves. Once something vibrates sound waves travel through the air and our ears receive and process the sounds.
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Which would be an example of something vibrating to make a sound?
Which would be an example of something vibrating to make a sound?
Creating sound is done by making vibrations. Plucking a stretched rubber band would cause the object to vibrate and sound waves would be created. We would hear a sound if we listen to the rubber band.
Creating sound is done by making vibrations. Plucking a stretched rubber band would cause the object to vibrate and sound waves would be created. We would hear a sound if we listen to the rubber band.
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Vibrating materials make a sound. What can we change about a sound by making it vibrate differently?
Vibrating materials make a sound. What can we change about a sound by making it vibrate differently?
We can change the volume or pitch of something when we change the way it vibrates. Volume is how loud or soft something sounds and pitch is how high or low the sound is. By making something vibrate more or less, faster or slower, we can change the way it sounds.
We can change the volume or pitch of something when we change the way it vibrates. Volume is how loud or soft something sounds and pitch is how high or low the sound is. By making something vibrate more or less, faster or slower, we can change the way it sounds.
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What would happen if you put a sheet of black construction paper in front of a flashlight?
What would happen if you put a sheet of black construction paper in front of a flashlight?
If you tried to shine a flashlight through a sheet of black construction paper, it would block the light. Light would not be able to pass through to the other side, and it would not be reflected. Something dark in color and also a thicker material like construction paper would block light from passing.
If you tried to shine a flashlight through a sheet of black construction paper, it would block the light. Light would not be able to pass through to the other side, and it would not be reflected. Something dark in color and also a thicker material like construction paper would block light from passing.
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If I place a chocolate bar in a beam of light from the Sun, what would the result be?
If I place a chocolate bar in a beam of light from the Sun, what would the result be?
If I were to place the chocolate bar in the Sun, it would melt due to the heat. The rays of light from the Sun are not only bright but hot. Chocolate is something that melts, and sitting under warm light would cause that to happen.
If I were to place the chocolate bar in the Sun, it would melt due to the heat. The rays of light from the Sun are not only bright but hot. Chocolate is something that melts, and sitting under warm light would cause that to happen.
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What makes a shadow?
What makes a shadow?
A shadow is created by blocking light. Shadows need a light source like a lamp, the Sun, or a flashlight and an object to block the light. A simple way to see a shadow is standing outside during the day and looking down! Your body blocking the sunlight will create a shadow of your figure on the ground. Another easy way to make a shadow is by putting your hands in front of a flashlight in a dark room.
A shadow is created by blocking light. Shadows need a light source like a lamp, the Sun, or a flashlight and an object to block the light. A simple way to see a shadow is standing outside during the day and looking down! Your body blocking the sunlight will create a shadow of your figure on the ground. Another easy way to make a shadow is by putting your hands in front of a flashlight in a dark room.
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How does light travel?
How does light travel?
Light travels in waves outwards from its source. Light travels in a straight line. It can be altered when it is absorbed, refracted, or reflected.
Light travels in waves outwards from its source. Light travels in a straight line. It can be altered when it is absorbed, refracted, or reflected.
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Which list of objects allows light to pass through them?
Which list of objects allows light to pass through them?
The list of objects that allows light to pass them all has one thing in common; they are transparent (clear). Clear items will enable the light to move without being blocked or absorbed. Sunscreen, walls, hats, and umbrellas all block light from passing through.
The list of objects that allows light to pass them all has one thing in common; they are transparent (clear). Clear items will enable the light to move without being blocked or absorbed. Sunscreen, walls, hats, and umbrellas all block light from passing through.
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Select the answer choice that will not stick to a magnet.
Select the answer choice that will not stick to a magnet.
A magnet can stick to metals that are made of iron, cobalt, or nickel. A magnet cannot stick to plastic, wood, rubber, and many other non-metal objects.
Looking at our answer choices, a paperclip, nail, and nickel are all made out of metals that are magnetic. A stick is made of wood, which is not a magnetic material, so it will not stick to a magnet.
A magnet can stick to metals that are made of iron, cobalt, or nickel. A magnet cannot stick to plastic, wood, rubber, and many other non-metal objects.
Looking at our answer choices, a paperclip, nail, and nickel are all made out of metals that are magnetic. A stick is made of wood, which is not a magnetic material, so it will not stick to a magnet.
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Select the answer choice that will not stick to a magnet.
Select the answer choice that will not stick to a magnet.
A magnet can stick to metals that are made of iron, cobalt, or nickel. A magnet cannot stick to plastic, wood, rubber, and many other non-metal objects.
Looking at our answer choices, a paperclip, nail, and nickel are all made out of metals that are magnetic. A tennis ball is rubber and fabric, which are not magnetic materials, so it will not stick to a magnet.
A magnet can stick to metals that are made of iron, cobalt, or nickel. A magnet cannot stick to plastic, wood, rubber, and many other non-metal objects.
Looking at our answer choices, a paperclip, nail, and nickel are all made out of metals that are magnetic. A tennis ball is rubber and fabric, which are not magnetic materials, so it will not stick to a magnet.
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Select the answer choice that will stick to a magnet.
Select the answer choice that will stick to a magnet.
A magnet can stick to metals that are made of iron, cobalt, or nickel. A magnet cannot stick to plastic, wood, rubber, and many other non-metal objects.
A basketball, stick, and bouncy ball are not made out of metal, so they will not stick to a magnet. A paperclip is made out of a magnetic metal so it will stick to a magnet.
A magnet can stick to metals that are made of iron, cobalt, or nickel. A magnet cannot stick to plastic, wood, rubber, and many other non-metal objects.
A basketball, stick, and bouncy ball are not made out of metal, so they will not stick to a magnet. A paperclip is made out of a magnetic metal so it will stick to a magnet.
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