Science 4 Reviewer

Which property does not change, whether you have a tiny piece or a huge chunk of gold?

• color

• volume

• mass

• length

When a metal changes color after being left outside, which property best describes this change?

• melting point

• hardness

• reactivity

• conductivity

What is the term for how much a liquid resists flowing?

• viscosity

• density

• solubility

• opacity

For wiring in electronics, which property is most important?

• reflectivity

• electrical conductivity

• malleability

• hardness

Why is the melting point critical when choosing materials for a road surface?

• to ensure it can withstand vehicle weight

• to ensure it doesn't melt in the sun

• to verify its color stability

• to measure its reflectivity

What property of a substance helps determine how it should be safely stored?

• boiling point

• acidity

• flammability

• density

A farmer tests the soil's ____________ to ensure plants get proper nutrients.

• texture

• acidity

• moisture

• color

Studying the change in a material's boiling point at different altitudes involves understanding its:

• reactivity

• thermal properties

• density

• hardness

In materials that resist corrosion, what property is being considered?

• flexibility

• reactivity

• density

• conductivity

Focusing on a material's natural breakdown process involves which property?

• flammability

• degradability

• solubility

• toxicity