This is something that pushes or pulls an object.
Force
This planet was created perfectly for life.
Earth
This is what a Marine Biologist studies.
These are formed in the sky as water evaporates and condenses.
Clouds
This is the layer of the earth on which we live.
Crust
This simple machine looks like a wheel and has groves (teeth) along the edge.
Gear
This planet is also called the red planet.
Mars
These are formed by wind blowing over the surface of the water.
Waves
These clouds are fluffy and puffy.
Cumulus clouds
This is what happens when built up energy, deep within the earth, is released.
Earthquake
This process has 5 steps: Make an observation, ask questions, create a hypothesis, do experiment, share results.
Scientific method
This is the smallest and hottest planet.
Mercury
These form when water gets trapped in holes or piles of rocks during low tide, and are often full of living things.
Tide pools
These clouds look like a flat blanket in the sky.
Stratus clouds
One way these form is by tectonic plates running into each other, causing the layers of rock to fold or break.
Mountains
This is energy that could be used, but isn't being used right now.
Potential energy
This planet has a large system of rings around it.
Saturn
These grow in warm, tropical waters around the equator and can provide a home for many living creatures.
Coral Reef
These clouds look like light, wispy feathers in the sky.
Cirrus clouds
This is what lava is called before it erupts out of a volcano.
Magma
This type of force that fights against movement.
Friction
This is the biggest planet.
Jupiter
This is an incredible feature that allows whales and dolphins to use sounds waves in order to "see" what is around them.
Echolocation
These are the four steps of the water cycle.
Collection, evaporation, collection, and precipitation.
This type of rock is formed when particles of broken rocks, dirt and sand settle and form layers.
Sedimentary rock