Rocks
Minerals
Atmosphere
Animals
100

This is a hard,  solid substance made by minerals.

Rocks

100

These are rocks that are made of a single mineral.

Monomineralic

100

Atmospheric Pressure is force exerted by air and it can be measured by which instrument.

Barometer

100

This large mammal lives in cold, snowy places. It has thick white fur to hide in the snow and is an excellent swimmer.

Polar Bear

200

Rocks can also be made from a single mineral. (True or False)

True

200

Limestone and Quartz are examples of monomineralic rocks. (True or False)

True

200

This is a circular storm that form over warm oceans and when it hits land, it brings heavy rains and strong winds.

Hurricane

200

This fast reptile can change the color of its skin to match its environment or show its emotions. It also has eyes that can move in two different directions at the same time.

Chameleon

300

This type of rock is formed when super-hot, melted rock cools down and turns hard.

Igneous

300

You can use a normal microscope to study minerals. (True or False)

False

300

This is the when the Earth's average weather and temperature slowly change over a long period of time.

Climate Change

300

This is a flightless bird that lives in the Southern Hemisphere. Instead of flying, it uses its wings as flippers to swim fast and catch fish in freezing water.

Penguin

400

These are rocks that are made of tiny bits of older rocks.

Sedimentary

400

After an animal dies and it gets buried in the ground for a thousand years, it becomes a ...

Fossil

400

This is the lowest layer of the Earth's atmosphere. It starts at the ground up to 8-14 kilometres.

Troposphere

400

This African animal looks like a horse, but it has black and white stripes. Scientists believe these stripes confuse biting insects and keep the animal cool.

Zebra

500

Sedimentary rocks have four types. Which type is made from the remains of living things, plants, or bones.

Organic

500

Scientists usually find fossils hidden inside this hard, gray material in the mountains.

Rocks

500

This is a type of pollution where people lose concentration, sleep, and even hearing loss because of unwanted sound.

Noise pollution

500

This strange Australian animal is a mammal, but it lays eggs instead of giving birth to live babies. It has a bill like a duck and a tail like a beaver.

Platypus