Semester Test Review - 6th Grade

Front

What is kinetic energy?

Back

Kinetic energy is the energy of moving objects.

Front

How does the density of salt water compare to fresh water?

Back

Salt water is more dense than fresh water.

Front

Are elements and compounds considered pure substances?

Back

True

Front

What are the characteristics of metals?

Back

Metals are shiny, hard, malleable, and have a high melting point.

Front

What is a key property of metals regarding conductivity?

Back

Metals are good conductors of heat and electricity.

Front

What is the definition of a pure substance?

Back

A pure substance is a material made of only one type of particle.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down, while a compound is made of two or more elements chemically combined.

Front

What is the melting point?

Back

The melting point is the temperature at which a solid becomes a liquid.

Front

What does malleable mean?

Back

Malleable means a material can be hammered or pressed into shape without breaking.

Front

What is the significance of high conductivity in metals?

Back

High conductivity means metals can easily transfer heat and electricity.