Rocks!
Weathering & Erosion
Natural Resources
Plant Life Cycles
Animal Life Cycles
100

This type of rock is formed from hot, molten lava that has cooled and hardened

Igneous rock 

100

When rocks weather and break into small pieces, it is called...

Sediments 

100

Natural resources are

materials from the Earth that are important to people

100

When a flower has been fertilized with pollen_____ form. 

seeds

100

Incomplete and complete metamorphosis both begin with...

egg 

200

This type of rock is formed from already existing rock that have been squeezed and heated deep inside earth's crust.

Metamorphic rock 

200

When a beach gets smaller, this change is caused by 

waves eroding sediment from a beach 

200

TRUE OR FALSE

Coal is a nonrenewable resource.

TRUE. 

Once it runs out, it will take a long time to come back. 

200

Flowering and nonflowering plants both reproduce by means of 

seeds. 

200

Incomplete and complete metamorphosis have ____ and ___ in common. 

egg and adult

300

_______ have a crystal form and their own set of properties. 

Minerals

300

TRUE OR FALSE

Coal and oil might be replaced by other sources of energy in the future because they're too expensive to remove from the earth. 

FALSE.

Oil and coal are limited in their supplies.

300

A fruit tree and a nonflowering tree are different because...

Fruit trees have flowers and fruits. Nonflowering trees have cones with seeds and no flowers. 

400

A mineral's luster property has to do with it being 

shiny, dull, metallic, glassy, or pearly

400

Solar panels for traffic signs with flashing lights provide _______ for the sign. 

power

400

When a seed ________ it starts to grow.

germinates

500

Animals like bees help flowers ______

reproduce. 

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