A large, flowing body of water that usually empties into a sea or ocean.
River
Water droplets that fall from clouds in the sky.
Rain
A large body of water surrounded by land.
Lake
A sandy or rocky area next to a body of water, such as an ocean or lake.
Beach
A tall landform that rises high above the surrounding land.
Mountain
A mountain that can erupt, spewing lava, ash, and gases from the Earth's crust.
Volcano
To move back and forth or up and down quickly.
Shake
A field where corn is grown.
Cornfield
A raised area of land that is lower than a mountain.
Hill
The powdery residue left after something burns, often from volcanoes or fires.
Ash
The process of burning that produces heat, light, and flames.
Fire
To increase in size or develop over time.
Grow
A person who studies and conducts experiments to understand the world.
Scientist
A narrow break or fracture in a surface.
Crack
Free from danger or harm.
Safe
Without water or moisture.
Dry
