Animals
Plants
Earth and Its Resources
Weather
The Solar System
100

When there are no more living animals of a species, they are __________

extinct

100

These are the three parts of a plant.

Flower, leaf, stem
100

What is it called when wind and water move rocks and soil to change the shape of land?

Erosion

100

Which season is usually the warmest?

Summer

100

When a planet spins all the way around, it _______.

Rotates

200

This fish body part is most like the lungs of a cat.

Gills

200

Flowers need this kind of powder to make seeds.

Pollen

200

This is a long time without rain.

Drought

200

Water that falls from the sky is ________

Rain

200

A group of stars is called a __________

Constellation

300

This is the part of the animal that is most likely to become a fossil.

Bones

300

What is it called when a plant starts to grow?

Germinate

300

Clothes, houses, rocks. Which one of these is a natural resource?

Rocks

300

What kind of weather includes heavy rain and strong winds?

Hurricane

300

This is the closest star to Earth.

The Sun

400

These three kinds of animals lay eggs.

Birds, amphibians, and reptiles

400

Substances from soil that help plants grow are _________.

nutrients

400

What happens when rivers, lakes, and streams get too full?

Flood

400

Which tool measures the direction of wind?

A weather vane

400

How long does it take Earth to rotate one time?

24 hours

500

This is the name for changes that animals go through.

Metamorphosis

500

What does a cone do?

holds seeds

500

This is a place where hot, melted rock comes out of the ground.

Volcano

500

You want to observe and measure how much it rains each day for two weeks. Which tool should you use?

Rain gauge

500

What kind of object is Earth?

A planet