The science of physics 7 class

What does physics mean?

• star

• nature

• matter

• motion

What is the matter

• which has volume

• which has mass and volume

• which has mass

• none

What is the unit of speed in SI system?

• m/s

• s/m

• ms

• m

The dimensions of the cake are 10 cm, 40 cm and 50 cm. What is the volume of the cake in cm3 ?

• 2*10³ cm3

• 2*10² cm3

• 2*10⁴ cm3

• 2*10⁵ cm³

How we can measure the volume of irregular object ?

• using just container

• using water displacement

• using solid object

• using ruler

In a race, a runner covers a distance of 1200 m with an average speed of 4 m/s.

How long does it take to run this distance?

• 480s

• 300s

• 270s

• 130s

A boy covers a distance of 3000 m in 10 min with a bicycle. What is the average speed that the boy rides his bicycle with in m/s ?

• 5m/s

• 300m/s

• 6m/s

• 4m/s

Distance is a ....................quantity

• vector

• scalar

• none

• position

What is the formula of speed

• V=mV

• V=x*t

• V=X_/t

• V=t/x

What is the volume of water in figure ?

• Initial V=13,3mL and Final V=23,3 mL

• Initial V=13mL and Final V=24 mL

• Initial V=12mL and Final V=22mL

• Initial V=14mL and Final V=25 mL