What process forms clouds?
Condensation
What do all living things need to survive?
Water, air, and food
Which material is the best conductor of electricity?
Planting trees and native plants
What is the most positive action for an ecosystem?
Planting trees and native plants
What force pulls a roller coaster down the track?
Gravity
What happens to riverbanks after heavy rainfall?
Erosion increases
Which trait is inherited rather than learned?
Eye color
What is the main source of energy for plants?
the sun
What is the main source of energy for plants?
The sun
What happens to energy as it moves through a food chain?
Decreases
Which map is best used to determine the height of a mountain?
Topographical map
What adaptation helps a mouse survive winter?
Thicker fur
What force causes an object to stop moving on a rough surface?
Friction
What role do decomposers play in an ecosystem?
Break down dead organisms
What type of energy transformation occurs when a lamp is turned on?
Electrical to light energy
What force pulls objects toward Earth?
Gravity
How do seeds of a maple tree disperse?
Carried by the wind
How does heat move from a hot object to a cold object?
Conduction
What happens if a species is removed from a food chain?
Ecosystem balance is disrupted
What type of energy transfer happens when a battery powers a fan?
Electrical to mechanical
What causes ocean waves to remove sand from a beach?
Erosion
What is the main function of plant roots?
Absorb water and nutrients
What process changes a liquid into a gas?
Evaporation
How does deforestation impact the environment?
Loss of biodiversity
What force resists motion between two objects in contact?
Friction