Mi

To describe an object's motion, you need to know both its speed and _____________.

• direction

• color

• mood

• status

The _____________ speed of an object is found by dividing the total distance by the total time.

• lowest

• average

• instantaneous

• highest

An object is ___________ if its position changes relative to another object.

• stationary

• sleeping

• in motion

• taking a break

Tags

NGSS.3-PS2-2

Jan is riding her bike at a speed of 6 mph. How far will she travel if she rides her bike for 2 hours?

• 12 miles

• 8 miles

• 3 miles

• 6 miles

Lewis is driving his car at an average speed of 90 mph. If he drives 180 miles, how long did he drive?

• 30 minutes

• 90 hours

• 2 hours

• 16,200 hours

A microscope ______________________objects.

• condenses

• magnifies

• eliminates

• electrifies

A microscope uses ___________________to magnify objects.

• lenses

• power

• electrcity

Micro means _________________________

• to look at

• small

• device

What is the term for the smallest unit of a chemical element that retains its chemical properties?

• A) Molecule

• B) Atom

• C) Compound

• D) Mixture

Tags

NGSS.MS-PS1-1

Which of the following is a mixture?

• A) Water (H2O)

• B) Carbon Dioxide (CO2)

• C) Air

• D) Sodium Chloride (NaCl)