Science 7 Third Quarter Review

What would be the total distance travelled if you walked 10 meters left, 2 meters down, and 8 meters right?

• The total distance you traveled is 20 meters left.

• The total distance you traveled is 20 meters.

• The total distance you traveled is 10 meters left.

• The total distance you traveled is 200 meters.

Answer explanation

Distance is a scalar quantity which does not include direction.

The distance travelled by an object can be equal to its displacement.

• True

• False

Answer explanation

Distance and displacement can be equal if the path traveled is a straight line.

The displacement of an object can be greater than the distance travelled.

• True

• False

Answer explanation

Distance will always be longer or sometimes equal to the displacement.

What is the speed of a car that travels 120 meters in 60 seconds?

• 20 m/s

• 0.2 m/s

• 2 m/s

• 7200 m/s

Choose three the situations that indicates ACCELERATION.

• A bike speeding up.

• A boat changing direction.

• A ball slowing down then stops.

• A man jogging with constant/uniform speed.

A quantity that has magnitude only.

• Scalar quantity

• Vector quantity

• Smaller quantity

• Mector quantity

It is a quanity that has magnitude and direction.

• Scalar quantity

• Vector quantity

• Smaller quantity

• Mector quantity

Select the scalar quantity (magnitude only)

• Displacement

• Speed

• Velocity

• Acceleration

Select the vector quantity (magnitude and direction)

• Speed

• Distance

• Time

• Velocity

Select the vector quantity.

• m/s

• kph

• m/s East

• km/hr