Cows, zebras, deer, mice, humans, and eagles get energy by eating other living things.
What is a consumer?
100
An amoeba, euglena, bacteria, and paramecia are all examples of this.
What is a single-celled or unicellular organism?
100
Energy from this keeps Earth's water moving and changing.
What is the sun?
100
This tool measures the wind speed, or how fast the wind is blowing.
What is an anemometer?
100
Push, pull, gravity, and friction are examples of this.
What are types of forces?
200
Oceans, estuaries, lakes, and ponds are examples of this type of ecosystem.
What is an aquatic ecosystem?
200
Knowing how to read Spanish is an example of this.
What is a learned behavior?
200
Rain, sleet, snow, and hail are all examples of this.
What is precipitation?
200
These clouds can be described as thin, wispy and feather-like.
What are cirrus clouds?
200
The force that pulls you toward the center of Earth.
What is gravity?
300
Plants take in carbon dioxide and release oxygen through this process.
What is photosynthesis?
300
These systems work together to bring oxygen into the body and deliver it to cells.
What are the respiratory and circulatory systems?
300
Burning paper is an example of this type of change.
What is a chemical change?
300
When a cold air mass bumps against a warm air mass, this type of front occurs.
What is a cold front?
300
Sliding on the carpet is almost impossible because of this force.
What is friction?
400
Humans and animals take in oxygen, but release carbon dioxide. Plants take in carbon dioxide, but release oxygen. This process repeats.
What is the carbon dioxide cycle?
400
The mouth, stomach, and intestines are all part of this system.
What is the digestive system?
400
Heating a pot on an electric stove is an example of this.
What is conduction?
400
This effect is typical in mountain regions because precipitation falls on one side of the mountain, but will have a dry, more desert-like area on the far side of the mountain.
What is a rain shadow?
400
A 10lb watermelon will fall faster than a 5lb watermelon because of this.
What is mass?
500
What happens when the amount of predators decrease?
The amount of prey will increase.
500
A chipped tooth is an example of this type of trait.
What is an acquired trait?
500
The rise of warm water or the air in a room and the falling of cooler water or air is an example of this.
What is convection?
500
This type of front brings clouds and precipitation that last for several days.
What is a stationary front?
500
Your friend kicks a ball. Then you kick the same ball, but with more force. What happens to the ball?
The ball will go a farther distance than it did when your friend kicked it because you applied more force.