8th Grade Science Final Review

Front

What is an inference?

Back

An explanation for an observation you have made.

Front

What is the volume of an object that measures 136.5 cubic centimeters?

Back

136.5 cubic centimeters

Front

Between which points is the substance changing its state of matter?

Back

B-C, D-E

Front

J. J. Thompson discovered the _______.

Back

Electron

Front

What is the density of a rock with a mass of 14g and a volume of 2cm³?

Back

7 g/cm³

Front

What is the definition of density?

Back

Density is the mass of an object divided by its volume.

Front

What is the formula for calculating volume of a rectangular prism?

Back

Volume = length × width × height.

Front

What is the scientific method?

Back

A systematic process for experimentation that is used to explore observations and answer questions.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.