8th Grade End of the Year Review

____________ is anything that has mass and takes up space.

• matter
• compound
• particle
• subatomic

What Is natural selection?

• living things adapt to their environment to survive and produce more offspring

• Living things eat and hunt lesser creatures so they are not the one eaten

• The way natural works on its own

Changes in physical structure, function, or behavior that allow an organism to survive

• Adaptation

• Mutation

• Camouflage

• Interdependence

Coloring of markings that help or organism blend in with its surroundings

• Adaptation

• Trait

• Camouflage

• Mutation

Why does the Earth orbit the Sun and not a planet in the solar system?

• The Sun is more massive than the planets so it's mass causes the gravitational pull.
• It just happened that way.
• The Earth pulls the Sun toward it  because it is so massive.
• The Earth is closer than the other planets so the distance causes the gravitational pull.

Some objects like the Sun produce their own light.  Others don't.  Why can we see objects that don't produce light?

• They absorb the light.
• They reflect the light.
• They transmit the light.
• They bounce the light around until it strikes our eyes.

Some resources are renewable and will not run out.  Some are finite and can't be renewed.  Which of these resources is non-renewable?

• solar
• hydroelectric
• wind
• oil

Which technology would be useful for studying moon phases

• Spectroscope
• Space Probe
• Telescope
• The international Space Station

In order to be an index fossil the fossil must

• exist for a short period of time over a large area.
• exist for a long period of time over a small area.
• exist in spotty areas around the world.
• exist, die out,  and come back into existence.

Which is an example of erosion?

• water sitting in a well
• magma rising in a volcano
• wind blowing sand on a beach
• heat melting rock underground