1st Grade Science : Physical Science
Study concepts, example questions & explanations for 1st Grade Science
All 1st Grade Science Resources
Example Questions
Example Question #17 : Communication With Light And Sound
A light wave can be used to send messages.
True
False
True
This is a true statement. Light is used to communicate and send messages every day. Everyday crosswalk signs, lighthouses, traffic lights, and so many more help to send messages to people all around. Light is made of waves, and we can use these waves to keep people safe and pass information.
Example Question #1 : Design A Device Using Light To Communicate Over A Distance
How could your teacher use a device like the traffic light in the classroom to help you with your work?
The teacher could get three different colored lights and shine them all around the room to create a dance party
Shine a red light to stop working, a green light to start working, and a yellow light for time is almost up
There is no way a teacher could use lights in the classroom as a traffic light does
Shine a red light to stop working, a green light to start working, and a yellow light for time is almost up
The traffic light's purpose is to keep us safe and help drivers know when to go, slow down, or stop. You or your teacher could design a similar device to use in the classroom. The teacher could shine a red light to stop working, a green light to start working, and a yellow light for time is almost up. This would communicate the messages a teacher might share with light rather than sound.
Example Question #2 : Design A Device Using Light To Communicate Over A Distance
Aly's teacher posts letters and words all over the room and she gives each student a laser pointer. She tells them she wants them to spell their name or pass a message to her without talking. What can the students do to communicate with only light?
Point at the letters or words with the laser to spell out the message
Get up and touch the letters or words to spell out the message
Shine the laser at their friends and the teacher
Point at the letters or words with the laser to spell out the message
This is an excellent example of how light can be used to communicate messages! Aly can use her laser pointer like a finger and point at the letters to spell her name or words to send the class a message. Without using sound, Aly can communicate to her teacher what she is thinking with this simple device!
Example Question #2 : Design A Device Using Light To Communicate Over A Distance
Morse code uses clicks and flashes of light to send coded messages. You want to create a secret language with your brother. How could you use a device like a simple lamp to pass messages and communicate secretly?
Come up with a code for turning the lamp on and off for different amounts of time for words or letters
Turn the lamp off and whisper across the room to each other
Pass the lamp back and forth and only the person holding it is allowed to talk and share
Come up with a code for turning the lamp on and off for different amounts of time for words or letters
You and your brother could come up with a secret code to communicate using a device like a lamp. Two clicks could mean no, one-click yes, and so on until you have a whole language. Messages are passed with light every day, thus creating your device to communicate is something that anyone can design.
Example Question #1 : Sound And Vibration
Which investigation provides evidence relating to sound and vibrations?
Investigation 1: Jack hits a tuning fork on a desk and watches it move back and forth and hears a noise when he moves close. Jack observes a still tuning fork and hears nothing.
Investigation 2: Amber feels rumbling and hears growling in her stomach so she eats mac and cheese for lunch.
Neither investigation
Investigation 2
Investigation 1
Investigation 1
Investigation 1 provides evidence that there is a relationship between sound and vibrations. The tuning fork is moving back and forth (vibrating) and a sound was made. Jack is able to see the vibrations and then hear a notice when he makes his observations. This shows a link between sound and vibration.
Example Question #2 : Sound And Vibration
Which investigation does NOT provide evidence relating to sound and vibrations?
Investigation 1: Austin plays a song in the talent show with a guitar he's made. He put four rubber bands over the opening of an empty tissue box and plucks them. When they move it makes music.
Investigation 2: Kim treats her friends poorly and says mean things to them in the science lab. She was trying to hit them with the ruler and snap them with rubber bands. They asked her to stop.
Investigation 2
Neither investigation
Investigation 1
Investigation 2
Investigation 2 does not provide evidence to sound and vibrations. There is a sound that takes place when the students ask Kim to stop or when she is saying mean things, but there is no evidence of vibrations that we can see. Investigation 1 includes information about the rubber bands moving when plucked and that this creates music. This investigation does provide proof of sound and vibrations being related.
Example Question #2 : Sound And Vibration
Mrs. Allen's science class took four different objects and hit them on a table. They observed the objects to see if they made a noise or moved when struck.
Which object(s) would show evidence of vibrations and sound having a relationship?
The pencil and t-shirt
The rubber ball and t-shirt
The ruler and pencil
The ruler and pencil
The ruler and pencil both show there is a relationship between sound and vibrations. Those two objects were the only to make a noise AND vibrate. As scientific thinkers, the students might connect that noises happen where there are vibrations, which is true.
Example Question #173 : 1st Grade Science
Why did the ruler hanging off the table make a noise when struck?
No one can tell why it made a noise.
It was able to vibrate.
It was not able to vibrate.
It was able to vibrate.
The ruler hanging off the table made a noise because it could vibrate when struck. There is a relationship between the two, vibrations cause sound and sound cause vibrations.
Example Question #174 : 1st Grade Science
What is evidence? Example: Mrs. Jacobs required us to write down the evidence we found to support our answer.
Evidence is used to support ideas, arguments, opinions, and thoughts.
Evidence is the scientist's opinion about what happened in an experiment.
Evidence is a way to record data in a fancy way.
Evidence is used to support ideas, arguments, opinions, and thoughts.
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.
Example Question #6 : Sound And Vibration
Mr. Petersen covers a large bowl with plastic wrap. He puts rainbow sprinkles on top of the plastic. The class observes that the sprinkles are just sitting on the plastic. He leaned down and made a loud, humming sound right next to the sprinkles. The sprinkles started to jump around! He repeated the humming, and the class wrote down their observations.
Which two sentences provide evidence that relates sound and vibrations?
The class observes that the sprinkles are just sitting on the plastic. He leaned down and made a loud humming sound right next to the sprinkles.
He leaned down and made a loud humming sound right next to the sprinkles. The sprinkles started to jump around!
Mr. Petersen covers a large bowl with plastic wrap. He puts rainbow sprinkles on top of the plastic.
He leaned down and made a loud humming sound right next to the sprinkles. The sprinkles started to jump around!
The two sentences that provide evidence that sound and vibrations are related are "He leaned down and made a loud humming sound right next to the sprinkles. They started to jump around!". These sentences show the teacher making a humming noise (sound) and the sprinkles moving around (vibrations). The vibrations and sound waves in the air from the humming move the sprinkles.
All 1st Grade Science Resources
