Space
Changes in Matter
Living Things
Earth's Systems?
200

True of False

Gravity pulls everything toward the CENTER of the Earth.

True

200

What is an example of a PHYSICAL change?

Examples:

Ice melting

Glass breaking

Tearing paper

200

What is an apex predator?

A predator that is not hunted

200

What is the sphere that deals with Earth's water?

Hydrosphere

300

How many days does it take for Earth to rotate the Sun?

365 days

300

Salt and sugar look the same. What kind of test could you conduct to tell the difference?

Taste test

300

What is a decomposer?

Something the breaks down dead materials/animals

300

The geosphere deals with Earth's...

Rocks, lava, and ground surface

400

Why is the number of daylight shorter in the winter than the spring? 

The Earth is tilted away from the Sun

400

What is a mixture?

A combination of two or more substances.

400

What is an ecosystem?

Living and nonliving things that interact in an area.

*Extra points: Can you name one?*

400
What is the substance humans breathe out, that is also toxic to our atmosphere?

Carbon dioxide

600

How many planets in our solar system?

8

*For 500 extra points, can you name all of them IN ORDER?*

600

What is an example of a physical change?

Boiling, freezing, or melting

600

What is an omnivore?

A living thing that eats both planets and animals

600

What is one way humans negatively affect Earth's?

Driving, littering overconsumptions

800

The closer the star, the (brighter/dimmer) it is.

Brighter

800

What state of matter has the LEAST amount of space between the particles?

Solid

800

What is a producer?

A living thing that makes its own food

800

What is the thin layer that separates Earth from space?

Atmosphere