Plants are always a part of this category of a food chain.
What are producers?
100
This is a push or a pull
What is force?
100
These change the earth by spewing hot lava onto the earth's surface
What is a volcano?
100
This color absorbs the most light energy
What is black?
200
When a solid turns into a liquid.
What is melting?
200
This category of the food web eats producers.
What are consumers?
200
The tendency of a moving object to stay in motion or a resting object to stay still
What is inertia?
200
When sediment is washed down river banks or down slopes.
What is erosion?
200
When light bounces off a surface
What is reflection?
300
For liquid water to become water vapor, the temperature needs to first
What is increase?
300
Predators are an example of this level of the food chain?
What are secondary consumers?
300
A simple machine that is a type of inclined plane with one or two sloping surfaces
What is a wedge
300
When friction builds up along a fault and it creates seismic waves
What is an earthquake?
300
Light that includes all colors and wavelengths of light
What is white light?
400
The temperature in Celsius at which water turns to a gas (boils)
What is 100 degrees Celsius?
400
This happens when the primary consumers in a food web are destroyed by humans or disease
What is producers overgrowing and secondary consumers dying out?
400
A pair of scissors is an example of this kind of simple machine
What is a lever?
400
When ice, wind, snow and rain break down rock
What is weathering?
400
The name for materials that light cannot pass through
What is opaque materials?
500
What happens to liquid water at 0 degrees Celsius?
What is freezing?
500
This happens when a top predator (like a wolf) is killed off in an ecosystem
What is primary consumers like rabbits and deer population expanding and then the producer population decreasing because the deer and rabbits eat the plants.
500
What is the unit used to measure work?
What is a joule?
500
These are the large land masses that cover the earth and have created the seven continents.
What are tectonic plates?
500
This can separate white light into the colors of the rainbow