Matter and Energy
Anything that has mass and takes up space
Matter
A form of energy that can be heard.
Sound
The force that holds everything on Earth down.
Gravity
An organism that makes its own food using sunlight.
Producer
A tool used to measure temperature.
Thermometer
A material that allows electricity to flow through it easily.
Conductor
A push or pull that causes an object to move.
Force
The process that breaks down rock on Earth's surface.
Weathering
An organism that eats only producers.
Herbivore
To make a reasonable guess based on data.
An inference
A mixture where one substance spreads evenly throughout another (e.g., salt water
Solution
This simple machine helps move heavy objects.
Pulley, Lever, or inclined plane
The primary energy source for the water cycle.
The role of a fungus or bacteria in an ecosystem.
Decomposer
A tool used to separate iron filings from sand.
A magnet
This fossil fuel was formed from ancient swamp plants under heat and pressure.
Coal
A circuit that has a break in it, preventing the flow of electricity.
open circuit
Earth's movement that causes day and night.
Rotation
The study of how living and non-living things interact.
Ecosystem
The variable that is changed by the scientist in an experiment.
Independent Variable
The three states of matter, defined by shape and volume.
Solid, liquid and gas
Bending of light as it passes through water or a lens.
Refraction
These are formed by the deposition of sediment over time.
Sedimentary rocks
A structure that helps a bird survive in its environment.
Beak or a wing
The information gathered from an observation.
Data