SCIENCE 4 REVIEW ACTIVITY DAY 2

What unit is used to measure very short distances in the metric system?

• miles (mi)

• meters (m)

• kilometers (km)

• millimeters (mm)

Which of these is a standard unit of measurement?

• arm span

• foot steps

• hand length

• kilometers (km)

In the metric system, how many meters are in 1 kilometer?

• 10 meters

• 100 meters

• 1,000 meters

• 10,000 meters

What tool is used to measure the speed of a vehicle?

• odometer

• stopwatch

• anemometer

• speedometer

Which of the following is TRUE about nonstandard units of measurement?

• They use standard measuring tools.

• They always give exact measurement

• They are more accurate than standard units.

• They typically use body parts for measuring.

Which of these is NOT something that force can do?

• make an object move

• stop a moving object

• change an object's color

• change an object's direction

What happens to an object when unbalanced forces act on it?

• it moves

• it disappears

• it stays the same

• it remains stationary

What happens to the time taken cover a distance when speed increases?

• the time doubles

• the time increases

• the time decreases

• the time stays the same

Which type of force requires objects to touch each other?

• contact force

• electric force

• magnetic force

• gravitational force

Which of the following is an example of a noncontact force?

• gravity

• friction

• normal force

• applied force