6th Grade Semester Exam Review

Front

What is a characteristic of pure substances?

Back

Made up of only one type of particle.

Front

What happens to gas particles when the container is opened?

Back

They may escape.

Front

Which energy transformation occurs in an electrical circuit?

Back

Chemical to Electrical to Light and Thermal.

Front

Which of the following is a property of metals?

Back

Malleable.

Front

Which force opposes motion when two surfaces rub against each other?

Back

Friction.

Front

What is the definition of a pure substance?

Back

A material made up of only one type of particle.

Front

What is the difference between a solid, liquid, and gas in terms of particle arrangement?

Back

Solids have closely packed particles, liquids have loosely packed particles, and gases have widely spaced particles.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What is malleability?

Back

The ability of a material to be shaped or bent without breaking.