Physical Science
Solar System
Ocean Life
Weather
Geology
100

This is something that pushes or pulls an object.

Force

100

This planet was created perfectly for life.

Earth

100

This is what a Marine Biologist studies. 

The ocean and the life we find in it. 
100

These are formed in the sky as water evaporates and condenses. 

Clouds

100

This is the layer of the earth on which we live. 

Crust

200

This simple machine looks like a wheel and has groves (teeth) along the edge. 

Gear

200

This planet is also called the red planet.

Mars

200

These are formed by wind blowing over the surface of the water. 

Waves

200

These clouds are fluffy and puffy. 

Cumulus clouds

200

This is what happens when built up energy, deep within the earth, is released.

Earthquake

300

This process has 5 steps: Make an observation, ask questions, create a hypothesis, do experiment, share results. 

Scientific method

300

This is the smallest and hottest planet. 

Mercury

300

These form when water gets trapped in holes or piles of rocks during low tide, and are often full of living things. 

Tide pools

300

These clouds look like a flat blanket in the sky. 

Stratus clouds

300

One way these form is by tectonic plates running into each other, causing the layers of rock to fold or break. 

Mountains

400

This is energy that could be used, but isn't being used right now.  

Potential energy

400

This planet has a large system of rings around it. 

Saturn

400

These grow in warm, tropical waters around the equator and can provide a home for many living creatures. 

Coral Reef

400

These clouds look like light, wispy feathers in the sky. 

Cirrus clouds

400

This is what lava is called before it erupts out of a volcano. 

Magma

500

This type of force that fights against movement. 

Friction

500

This is the biggest planet. 

Jupiter

500

This is an incredible feature that allows whales and dolphins to use sounds waves in order to "see" what is around them. 

Echolocation

500

These are the four steps of the water cycle.  

Collection, evaporation, collection, and precipitation. 

500

This type of rock is formed when particles of broken rocks, dirt and sand settle and form layers. 

Sedimentary rock