What do food web arrows show?
The flow of energy from one organism to another.
What causes day and night?
Earth's rotation on its axis every 24 hours.
A combination of two or more substances that maintain their physical properties.
What is a mixture?
What is an incomplete circuit?
A circuit that does not allow electricity to flow.
Define an ecosystem.
The interaction between living (biotic) and nonliving (abiotic) things in an environment.
What is a consumer?
An organism that eats plants and/or other animals.
What causes seasons?
The tilt of Earth's axis and its revolution around the Sun.
A combination of two or more substances where one dissolves into the other.
What is a solution?
What is a complete circuit?
A circuit that allows electricity to flow through a closed path.
What happens to water when it freezes?
It expands and turns into a solid (ice)
What is a producer?
An organism that makes its own food using sunlight (plants)
What is the order of planets from the Sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Does sand dissolve in water?
No, sand does not dissolve in water.
What is a push or pull called?
A force.
What is relative density?
Whether an object sinks or floats in water
What is an instinctual behavior?
A behavior an animal is born with, such as a turtle returning to the ocean after hatching.
What causes shadows to change throughout the day?
The movement of the Sun in the sky due to Earth's rotation.
What is the difference between mass & weight?
Mass is the amount of matter in an object, measured in grams, while weight is the force of gravity acting on an object.
What is an example of mechanical energy?
Moving water, a moving car, or a swinging pendulum.
What is solubility?
Whether a substance dissolves in water
What is a learned behavior?
A behavior that an animal is taught or learns through experience.
How do glaciers shape land?
Glaciers carve out U-shaped valleys and leave behind deposited sediments.
What is an insulator?
A material that does NOT allow heat or electricity to flow through (example: rubber, wood).
What is refraction?
The bending of light waves when they pass through different materials, such as water or a lens.
What is thermal energy?
Heat energy.