Space
Ecosystems
Light
Sound
Force
100

What is the planet we live on?

Earth
100

What is an organism that eats only plants? The eats meat? Eats both plants and meat?

Herbivore

100

What is the term for when light bounces off another object? What is the term for when light is taken in?

Reflection and Absorption

100

How does sound travel?

By bouncing off of molecules.

100

What is force?

A push or pull that changes the motion of an object.

200

What is the planet that was once considered the 9th planet of our solar system?

Pluto

200

Which types of organisms are responsible for breaking down dead organisms?

Decomposers

200

What is the term for an object that allows light to pass through? Partially allows light? Completely blocks light?

Transparent, Translucent, Opaque

200

Which medium does sound travel the fastest?

Solids

200

What type of force causes things to stay down and things in space to orbit?

Gravity

300

What is the name of the large ring between Mars and Jupiter?

The asteroid belt
300

In most cases, what is the original source of all energy in an ecosystem?

The sun

300

What particles make up light?

Photons

300

What travels faster: Light or sound?

Light
300

What is the formula for measuring speed?

Distance divided by Time

400

What is the order of planets from closest to the sun to farthest?

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune

400

What type of model shows all organisms in an ecosystem and the flow of energy between them?

A food web

400

Why is an apple red?

The apple absorbs all colors of light except red, which it instead reflects off.

400

Can sound travel in space? Why or why not?

No, because space is a vacuum and there are no molecules to bounce off of.
400

What type of force slows down objects when they're touching?

Friction

500

How long does it take for the moon to orbit around the Earth?

27 Days

500

What would cause the population of primary consumers/prey to increase?

The removal of consumers/predators

500

If something is colored white, what happens to the light?

White objects reflect all light back

500

In a sound wave, what effects volume? What effects pitch?

The amplitude (How high a sound wave goes) for volume and frequency (How close waves are) for pitch.

500

What type of force is needed for motion to occur?

Unbalanced Force

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