Science True or False Quiz

Personal protective equipment includes goggles, gloves, and lab coats for chemical handling.

• True

• False

The flame symbol represents a corrosive substance.

• True

• False

The scientific method begins with forming a hypothesis.

• True

• False

Solids have a definite shape and volume.

• True

• False

A chemical change occurs when water freezes into ice.

• True

• False

A mixture can be separated by physical means.

• True

• False

The SI unit for mass is the gram.

• True

• False

Density is a characteristic property used to identify substances.

• True

• False

Electrons contribute significantly to an atom's mass.

• True

• False

The atomic number of an element equals the number of protons in its nucleus.

• True

• False