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100

What is a hypothesis?

A hypothesis is a possible explanation for an observation that can be tested by scientific investigation. 

100

What is matter? 

Anything that has mass and takes up space

100

Define average speed

The total distance traveled divided by the total time elapsed.

100

Is coal energy renewable?

No, it is not renewable.

100

What is a medium?

A material in which a wave travels.

200

What is an independent variable? 

It's the part you change in an experiment.
200

What is a chemical bond? 

An attraction between atoms

200

What is Newton's first law?

An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force

200

Is natural gas renewable?

No, it is not renewable.

200

What produces sounds?

The sounds produced by sound waves.

300

What is an inference? 

A logical explanation from an observation 

300

What is a valence electron?

In chemistry and physics, valence electrons are electrons in the outermost shell of an atom

300

What is Newtons 3rd Law?

For every action there is an equal and opposite reaction

300

What is hydroelectric energy?

 power by using a dam or diversion structure to alter the natural flow of a river or other body of water.

300

what is a mechanical wave?

A wave that can travel through only matter 

400

What is scientific inquiry?

Scientific inquiry is the diverse ways in which scientists study the natural world and propose explanations based on the evidence derived from their work

400

What does an electron dot diagram (Lewis Dot Structure) show?

The valence electrons of atoms within a molecule.

400

What is the equation for Newton's second law?


400

What is petroleum?

a naturally occurring liquid found beneath the earth's surface that can be refined into fuel.

400

What is an electromagnetic wave?

 electromagnetic waves consists of waves of the electromagnetic field, which propagate through space and carry momentum and electromagnetic radiant energy.

500

What is scientific law?

Scientific law is a rule that describes a repeatable pattern in nature. 

500

What are two properties of Non-Metals?

Bad conductors of heat and electricity and Non-metals are neither tough nor strong.

500

What is the result of an unbalanced force?

The object's motion changing.

500

How is potential energy classified?

gravitational, elastic, electric, and chemical

500

What is rarefaction?

A rarefaction is a region of a longitudinal wave where the particles are farthest apart

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