6th Grade Semester Exam Review

Front

What are metalloids known for?

Back

Metalloids are known for being semiconductors.

Front

Which object has the greatest density?

Back

A coin has the greatest density.

Front

What energy transformation occurs in an electrical circuit?

Back

The energy transformation is Chemical to Electrical to Light and Thermal.

Front

In which state of matter do particles have a set shape and size?

Back

Particles have a set shape and size in a solid.

Front

What happens to gas particles when the container is opened?

Back

Gas particles may escape when the container is opened.

Front

Define a semiconductor.

Back

A semiconductor is a material that has electrical conductivity between that of a conductor and an insulator.

Front

What is density?

Back

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

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is the difference between potential and kinetic energy?

Back

Potential energy is stored energy based on position, while kinetic energy is the energy of motion.

Front

What is an electrical circuit?

Back

An electrical circuit is a closed loop that allows electric current to flow.