True or False. In science, an educated guess about the answer to a scientific question is called a hypothesis.

• True

• False

Answer explanation

true

True or False. When scientific findings are expressed mathematically, they are easier to verify or disprove by experiment.

• True

• False

Answer explanation

True

True or False. Scientific fact is something that is absolute and unchanging.

• True

• False

Answer explanation

False

True or false. A hypothesis is scientific if there exist a test for proving it wrong.

• True

• false

Answer explanation

True

True or False. The amount of matter in an object is called its weight.

• True

• false

Answer explanation

False

True or False. The metric unit for force is called kilogram.

• True

• False

Answer explanation

True

True or False. Inertia is the tendency of an object to move in a straight line when the sum of the net forces is equal to zero.

• True

• False

Answer explanation

True

True or False. If a hockey puck slides on a perfectly frictionless surface, it will eventually slow down because of inertia.

• True

• False

Answer explanation

False

True or False. The acceleration of an object is inversely proportional to the net force acting on it.

• True

• False

Answer explanation

False

True or False. Air resistance is caused by the friction between the air and an object moving through the air.

• True

• False

Answer explanation

True