Physical Science

A Measure of gravitational force exerted on an object; its value can change with the location of the object in the universe.

• volume

• mass

• Nuclear force
• weight

A factor that changes in an experiment in order to test a hypothesis.

• Hypothesis

• Volume

• Scientific Method

• variable

A measure of the size of a body or region in three-dimensional space

• height
• weight
• density
• volume

Scientists test a hypothesis by:

• asking their friends for their opinions
• guessing the outcome
• conducting experiments

• ignoring the data and making assumptions

Which unit is used to measure height?

• Inches
• Meter

• Kilograms
• Liters

Which unit is used to measure mass?

• meters (m)
• liters (L)
• inches (in)
• kilograms (kg)

A scientific law is:

• An explanation of a scientific observation

• A statement that has never been tested
• A fictional story about the natural world
• A guess based on personal opinion

How many significant figures are in 7.357?

• 2
• 6
• 10
• 4

How many significant figures are in 0.357

• 3
• 1
• 0.3
• 5

You are asked to find the volume of a cube that is 2.5cm high, 2.65cm wide and 3.456cm long. How many significant figures should you show in your answer?

• 1
• 5
• 10
• 2