1st Grade Science : 1st Grade Science
Study concepts, example questions & explanations for 1st Grade Science
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Example Questions
Example Question #1 : Investigate How Sound Makes Materials Vibrate
The rainbow-colored lines in the back are vibrations represented as _________________. They travel to our ears after a vibrating material makes a sound.
taste waves
sound waves
vision waves
sound waves
The colored lines in the background represent sound waves caused by vibrations. When an object vibrates a sound wave is created and this travels to our ear and is processed as a noise we can hear.
Example Question #2 : Investigate How Sound Makes Materials Vibrate
How is this picture similar to vibrations making a sound?
The picture and sound both include waves.
The picture shows a drop of water which can be very loud.
The picture is not similar to sound at all.
The picture and sound both include waves.
This picture demonstrates a drop of water rippling outwards in waves. A similar process happens with sound. Vibration causes a sound wave to be formed, and that sound wave moves outwards towards our ears so it can be processed into sound.
Example Question #19 : Sound And Vibration
Which investigation would work best to see how vibrating materials make sounds?
Hit a tuning fork on a desk and make observations with your five senses
List to a popular song on the radio using your ears
Hold a ruler in front of you, wave it around, and make observations
Hit a tuning fork on a desk and make observations with your five senses
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.
Example Question #21 : Sound And Vibration
Pat's class is given an empty metal can with plastic wrap stretched across the top secured with a rubber band. His teacher sprinkles salt on the top of the plastic wrap. He is given a tuning fork and told to strike it on the desk and touch it to the side of the can. The rice starts to jump and he hears a sound. Why is this happening?
The tuning fork is magic so it allows the rice to move and make sounds.
Vibrating materials (like the fork and can) make sounds and cause other vibrations.
There is no relationship between the vibrations and sound.
Vibrating materials (like the fork and can) make sounds and cause other vibrations.
The salt moved because of the vibrations of the tuning fork. When struck on the desk it begins vibrating which makes a quiet sound. When the tuning fork is placed against the can it gets louder because the can is also vibrating. This causes the rice to start "jumping" because it is also vibrating. Pat will hear the tuning fork, metal can, and the sound of the rice hitting the plastic wrap because of the vibrations.
Example Question #2 : Investigate How Vibrating Material Makes Sound
What does it mean if something vibrates?
It moves quickly back-and-forth
It moves slowly one time
It is a type of dance move
It moves quickly back-and-forth
Vibrating means small, quick back-and-forth movements. When you pluck a rubber band, it vibrates, when we talk our vocal cords vibrate, everything vibrates when it makes sounds.
Example Question #3 : Investigate How Vibrating Material Makes Sound
A vibrating object can produce sound.
True
False
True
This is a true statement. Vibrating materials do create sounds. If you think if the strings of a guitar, when strummed the strings vibrate and create the sounds. Sound comes from vibrations.
Example Question #4 : Investigate How Vibrating Material Makes Sound
What happens when materials vibrate?
Ocean waves are created and move through the air.
Sound waves are created and move through the air.
Nothing happens when materials vibrate.
Sound waves are created and move through the air.
When a material vibrates sound waves are produced and travel through the air. Without vibrations, there would be no sound.
Example Question #5 : Investigate How Vibrating Material Makes Sound
Ms. Dube's class is experimenting with science today. At the Tuning Fork Station, students hit the tuning forks on the side of a cup. The vibration causes _________.
the cup to fall
an earthquake
sound
sound
The vibration of the tuning fork causes sounds to be heard. When an object or material vibrates it creates sound waves. Those waves travel through the air and our ears receive and process the noises.
Example Question #6 : Investigate How Vibrating Material Makes Sound
How does hitting a drum produce sound?
The drum and air vibrate.
The drum does not produce sound.
The drum has speakers and a radio attached.
The drum and air vibrate.
A drum produces sound when it is struck with a hand or object because the skin or outer covering vibrates. The air vibrates and sound waves move through the air producing the banging noises we hear with drums.
Example Question #7 : Investigate How Vibrating Material Makes Sound
Students place their hands on the front of their throat. The teacher asks them to hum softly and write down what they feel. The teacher asks them to hum louder and write down what they feel. The teacher asks them to be silent and write down what they feel.
Why was there no humming sound when there was no vibration?
There is no way to tell why there was no humming.
The student was not trying hard enough.
The material must vibrate to make a sound.
The material must vibrate to make a sound.
When materials (including our vocal cords) vibrate, a sound is produced. When the students hum, there is a vibration; when there is no sound, there is no vibration. For sound waves to be produced, the material has to vibrate.
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