Motion, rest and speed

What is motion?

• An object moving from one position to another.

• An object not moving at all

A book laying on a desk is

• In motion

• At rest

The Earth moving around the sun is

• In motion

• At rest

The ants building a house is

• In motion

• At rest

The ants' house is

• In motion

• At rest

Your heart is

• In motion

• At rest

A lion walked 15 km in 5 hours. What is the speed?

• 3 m/s

• 3 km/h

• 2 km/h

Motion is the effect of

• Friction

• Rest

• Force