Unit 1 Posttest - The World of Science

Last Name

First Name

Period

• 1st Period
• 2nd Period
• 3rd Period
• 6th Period
• 7th Period

An educated guess based on some known facts or observations, and can be tested.

• scientific method
• physical science
• hypothesis
• model
• control

The study of matter and energy.

• scientific method
• physical science
• hypothesis
• model
• control

A series of steps followed to solve a problem.

• scientific method
• physical science
• hypothesis
• model
• control

A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept.

• scientific method
• physical science
• hypothesis
• model
• control

The “stuff” that makes up the world around us. Anything that has mass and takes up space.

• matter
• volume
• mass
• density
• chemical change

The ratio of the mass of a substance to the volume of a substance.

• matter
• volume
• mass
• density
• chemical change

A measure of the amount of matter in an object.

• matter
• volume
• mass
• density
• chemical change