Earth Science
Life Science
Physical Science
Ecosystems & Environment
Energy and Forces
100

What process forms clouds?

Condensation

100

What do all living things need to survive?

Water, air, and food

100

Which material is the best conductor of electricity?

Planting trees and native plants

100

What is the most positive action for an ecosystem?

Planting trees and native plants

100

What force pulls a roller coaster down the track?

Gravity

200

What happens to riverbanks after heavy rainfall?

Erosion increases

200

Which trait is inherited rather than learned?

Eye color

200

What is the main source of energy for plants?

the sun

200

What is the main source of energy for plants?

The sun

200

What happens to energy as it moves through a food chain?

Decreases

300

Which map is best used to determine the height of a mountain?

Topographical map

300

What adaptation helps a mouse survive winter?

Thicker fur

300

What force causes an object to stop moving on a rough surface?

Friction

300

What role do decomposers play in an ecosystem?

Break down dead organisms

300

What type of energy transformation occurs when a lamp is turned on?

Electrical to light energy

400

What force pulls objects toward Earth?

Gravity

400

How do seeds of a maple tree disperse?

Carried by the wind

400

How does heat move from a hot object to a cold object?

Conduction

400

What happens if a species is removed from a food chain?

Ecosystem balance is disrupted

400

What type of energy transfer happens when a battery powers a fan?

Electrical to mechanical

500

What causes ocean waves to remove sand from a beach?

Erosion

500

What is the main function of plant roots?

Absorb water and nutrients

500

What process changes a liquid into a gas?

Evaporation

500

How does deforestation impact the environment?

Loss of biodiversity

500

What force resists motion between two objects in contact?

Friction