space
sound
matter
weathering
100

what is the closest planet to the sun 

mars 

100

how is sound created?

sound is created by vibrtion.

100

what is matter?

matter is anything that has mass, can be measured, and takes up space. matter cannot be created or destroyed.

100

what is weathering 

the breaking down or disintegration of substances such as rocks and minerals. 

200

what is the thickest layer of the earth?

the mantle 

200

what is pitch 

pitch is how high or low a sound is 

200

what is force 

forces are pushes and pulls that can happen to an object. 

200

what is sedimentary

sedimentary is when time goes by rocks get packed one by one.

300

what is saterns rings made of 

astroids/rocks 
300

what is a echo?

an echo is a sound that bounces off of a surface before reaching your ear.

300

what is gravity?

gravity is a constant force that keeps all objects on earth. gravity pulls objects strait down.

300

what is a ignios rock?

a ignios rock is a lava rock that has been cooled down.

400

what is the furthest planet from the sun?

neptune.

400

what are atoms?

atoms are what's in a object and when it makes sound.

400

what is motion?

The motion of an object is dependent on the forces that affects it.

500

what univers do we live in?

the milky way galaxy 

500

what is a medium?

a medium is the substance/object sound travels through. (gases liquid, and solids.

500

what is speed?

speed is the measurement of how fast an object is moving. 

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