Water Resistance & Friction Quiz

What is water resistance ?

• friction between moving object in water

• gravity in water

• pulling force

• friction between moving object in air

Can water resistance be reduced?

• Yes

• No

How water resistance can be reduced ??

• streamline body

• less weight

• more surface area

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Is water resistance a stronger force than air resistance ?

• yes

• no

If dropped in water, which of these objects would touch the bottom first?

• 
• 
• 

What makes water resistance similar to surface friction ?

• slows things down

• decreases the surface area

• increases the surface area

Sharks and dolphins can move very efficiently through water. Why?

• Both have fins.

• Their smooth skin causes less friction in the water.

• Both have gills.

• They have a streamlined shape.

What is the name of the force which helps boat to float?

• Water Resistance

• Friction

• Upthrust

• Air Resistance

If I drop different objects into water, which will sink faster?

• The shape with less surface area.

• Shapes made from plastic.

• Shapes with a larger surface area.

Friction is a force that:

• Speeds up moving objects.

• Attracts objects to magnets.

• Slows down moving objects.