Earth and Space Science
Life Science
Nature of Science
Physical Science
Miscellaneous
100
The motion of one object around another object.
Revolution
100
An animal that obtains nutrients from eating other animals.
Carnivore
100

Making multiple sets of measurements or observations in a scientific investigation (multiple trials)

Repetition

100
A type of rock that forms from cooled magma or lava.
Igneous
100
A type of rock formed from layers of sediment.
Sedimentary
200
A large object in space that is made of gas and produces its own light.
Star
200
The center region of an atom where protons and neutrons are located; also, the cell structure that contains a cell’s genetic material.
Nucleus
200
A statement that can be tested scientifically through experiments and/or other scientific investigations.
Hypothesis
200
A change of a substance from one form to another without a change in its chemical properties.
Physical Change
200
The amount of space an object or substance occupies.
Volume
300
A large cloudlike mass of gas and dust in space that may lead to the formation of a star.
Nebula
300
An animal that lacks a backbone.
Invertebrate
300

The variable that is being measured or observed, that responds to, or depends on, another factor (test variable).

Outcome or Dependent Variable

300
Process by which substances are changed into different substances with different properties.
Chemical Change
300

The variable changed by the experimenter in order to study changes in the outcome variable.

Test or Independent Variable

400
A natural object that orbits a planet.
Moon
400

An organism that can convert sunlight into usable energy.

producer

400
The reproduction of a scientific investigation by another person to ensure accuracy.
Replication
400
The continuous movement of water through the environment by evaporation, condensation, precipitation, and runoff.
Water Cycle
400
The turning of an object on its axis.
Rotation
500
An object made of rock, ice, dust, and gas that revolves around the Sun.
Comet
500
A characteristic of an organism that increases its chances of survival in its environment.
Adaptation
500
A scientific test or procedure that is carried out under controlled conditions to answer a scientific question.
Experiment
500
A type of rock that is formed over time from existing rock due to extreme pressure and/or heat.
Metamorphic
500
The process by which water is changed from a gas (water vapor) to a liquid; a stage of the water cycle.
Condensation
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