Plants and Animals
Landforms
Weather and Climate
Forces and Motion
Miscelleanous
100
An animal or plant that consumes or obtains nutrients from animals
What is a carnivore
100
The shaking of the ground caused by a sudden release of energy in Earth's crust
What is an earthquake?
100
The process by which a liquid is converted to its vapor phase by heating the liquid
What is evaporation
100
A type of simple machine; slanted surface that makes it easier to move a mass from a lower point to a higher point
What is an inclined plane?
100
The smallest unit of a chemical element that can still retain the properties of that element
What is an atom?
200
An organism that feeds on other organisms for food.
What is a consumer?
200
A type of rock that forms from molten or partly molten material that cools and hardens
What is igneous rock?
200
The path water takes as it is being cycled through the environment, including condensation, evaporation, and precipitation
What is the water cycle?
200
The property of a body, due to its mass, that causes it to resist any change in its motion unless overcome by a force.
What is inertia?
200
A substance made up of a combination of two or more elements held together by chemical bonds that cannot be separated by physical means
What is a compound?
300
Transfer of energy through various stages as a result of feeding patterns of a series of organisms
What is a food chain?
300
A vent or fissure in Earth's surface through which magma and its associated materials are expelled
What is a volcano?
300
The bouncing off or turning back of light, sound, or heat from a surface
What is reflection?
300
The pivot point of a lever
What is a fulcrum?
300
One of the fundamental states of matter in which the molecules do not have a fixed volume or shape
What is gas?
400
A chemical process by which plants trap light energy to convert carbon dioxide and water into carbohydrates.
What is photosynthesis?
400
The natural processes that break down and change rock into soil, sand, and other materials; differs from erosion in that no transport of those materials takes place.
What is weathering?
400
The layers of gas that surround Earth, other planets, or stars
What is atmosphere?
400
A change of energy from one form to another (e.g. mechanical to electrical, solar to electrical)
What is energy transfer?
400
Having the property of attracting iron and certain other materials by virtue of a surrounding field of force
What is magnetic?
500
An organism that makes its own food from the environment; usually a green plant
What is producer?
500
A resource that can only be replenished over millions of years
What is a nonrenewable resource?
500
A physical change that occurs when matter changes to another state (i.e., liquid, gas, or solid)
What is change of state?
500
A force of attraction between two masses
What is gravitation?
500
Any alteration of the natural environment producing a condition harmful to living organisms
What is pollution?