Energy
Ecosystems
Biological Change
Earth's Place in the Universe
Earth's Systems
100

A push or pull on an object.

What is force?

100

A process that occurs in plants but not in animals.

What is photosynthesis?

100

 A _____________ is remains or evidence of a once-living organism from long ago.

What is a fossil?

100

Landforms change constantly due to ________________, which is the process of rocks breaking into smaller pieces.

What is weathering?

100

Hydro- comes from the greek word meaning

What is water?

200

The rate an object changes position.

What is speed?

200

Plants use energy from light to produce ____________ and ________.

What is glucose and oxygen?

200

To break down or rot; adds nutrients to the soil.

What is decay?

200

When pebbles, sand, or soil begin to move by natural forces, it is called __________________.

What is erosion?

200

All living things live here.

What is the biosphere?

300

A moving object always has..

What is kinetic energy?

300

The last organism in the food chain which recycles matter from dead organisms back into the soil for plants to use for growth and reproduction.

What are decomposers?

300

Hardened tree sap where fossils are found.

What is amber?

300

As the Earth moves around the Sun it rotates on its ______________, so we have day and night.

What is axis?

300
Tides occur due to the gravitational attraction between ____________ and the _______.

What are the Earth and the Moon?

400

The energy we get from food is stored in our bodies as ____________ ____________.

What is chemical energy?

400

____________ are living things that can make their own food, like plants.

What are producers?

400

Type of fossil made when the mold of an animal in rock is filled in with other rock material.

What is cast fossil?

400

Water getting into cracks, freezing, and breaking the rocks apart.

What is deposition?

400

The air we breathe can be found in this earth system.

What is atmosphere?

500

Energy from the toaster begins as __________  ____________ and is transferred into ____________   ________________.

What is electrical energy to heat energy?

500

Two rows of eyelashes is a(n) _____________ a camel has to help it survive in arid conditions.

What is adaptation?

500

A group of human-made chemicals that are known to breakdown ozone and cause atmospheric ozone depletion.

What are chlorofluorocarbons?

500

The longest and shortest days of the year are the Summer ___________ and Winter ______________.

What is solstice?

500

These often occur near faults and cause a rapid change in the Earth's surface.

What is a(n) earthquake?