Matter
Life Science
Earth and Space
100

Name the three forms of matter

Solid, Liquid, Gas

100

In a food chain, the main source of energy is always the 

Sun!

100

The reason why we have day and night is because of the

Earth's rotation
200

True/ False: Matter can be created and destroyed

FALSE

200

The arrows in a food chain point to the _____

EATER

200

The reason why we have seasons is because

The Earth revolves around the sun, and the Earth is on a tilt

300

When you mix baking soda and vinegar and bubbles form, what signs show that a chemical reaction has happened?

gas production and a new substance forming

300

Food chains represent the flow of (choose: energy, matter, animal parts, environments)

Energy!

300

Why do some stars look bigger and brighter than others?

They are closer to us!

400

If you cut a piece of paper in half and then measure it, what happens to its mass

It stays the same!

400

Draw a simple food chain on the board

correct drawing counts as a correct response
400

Why are summer days longer than winter days in the Northern Hemisphere?

The Northern Hemisphere is tilted toward the Sun during summer

500

What do we call a change that does not create a new substance, like melting ice?

A physical change

500

In a food web, what would most likely happen if all the producers (plants) were removed?  

The population of everything else would decrease to 0.

500

What is it called when rocks are broken down by water, ice, or wind without changing what the rock is made of?

Weathering