Atoms and Molecules
Mass, Weight, Volume, Density
Ecosystems
Mixtures and Separation
Natural Resources
100

The smallest piece of matter.

What is an atom?

100
The amount of matter in an object, measured in units of grams or slugs with a balance.

What is mass?

100
A diagram that shows how energy flows between parts of an ecosystem.

What is a food web?

100

A combination of two or more substances.

What is a mixture?

100

Anything that is found in nature and used by man.

What is a natural resource?

200

A specific type of atom, with an exact number of protons.

What is an element?

200

The amount of space an object takes up, measured in gallons or liters.

What is volume?

200

Plants, trees, and parts of the ecosystem that provide energy through conversion of sunlight.  There is lots of this in any sustainable ecosystem.

What is a producer?

200
What happens to sugar in water.
What is dissolving?
200
A natural resource used for energy that is not regenerated within a human lifetime.

What are non-renewable resources?

300

The combination of two or more elements that is not easily separated

What is a compound?

300

The force of gravity on an object, measured in pounds or newtons using a scale.

What is weight?

300
An animal that eats plants or meat.

What is an omnivore?

300

This is how you can separate a mixture of solids and liquids.

What is a filter?

300

Trees, Cows, Minerals, Metals, and plants used to make things.

What are material resources?

400

The the sub-atomic particles that make up an atom

What is a proton, neutron, and electron?

400
Mass divided by volume - this property of a material tells you whether it will float or sink.

What is density?

400

Parts of the ecosystem that regenerate soil by consuming decaying plants or animals.

What is a decomposer.

400

This is the process of evaporation and condensation combined together to separate liquids or gasses.

What is distillation?

400
Three types of renewable energy resources.

What are geothermal, wind, and solar energy?

500

The smallest part of an atom, surrounds the nucleus, and moves almost at the speed of light.

What is an electron?

500

___________ is the reason a car is hard to push, but ______________ is the reason a car is hard to pick up.

What are mass and weight?

500

Any plant or animal living on the land.

What is terrestrial?

500

The material that dissolves in a mixture.

What is a solute?

500
This natural resource is both a material resource and an energy resource.

What is natural gas, oil, or petroleum products?

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