KHTN 6 - ÔN TẬP HKI | Baamboozle - Baamboozle

English 16 Public

science

Study Slideshow

……………is the quantity of matter in an object. It is measured in kilograms.

mass

……………. is the force of gravity on an object. It is measured in newtons.

weight

On Earth, a person of mass 60 kg. Calculate the weight.

600 N

On Earth, a person of weight 400 N. Calculate the mass.

40 kg

On Earth, a pig of mass 100 kg. Calculate the weight.

1000 N

On Earth, a baby of weight 50 N. Calculate the mass.

5 kg

The forces that cause tides are called …………………….....

tidal force

The forces that cause tides come from the ………………………….and the …………………..

Moon, Sun

The force of …………………. caused by an object acts towards the centre of the object.

gravity

.................. is the name given to a cloud of dust and gas in space.

nebula

Arun doesn't fall through the chair because the .................... from the chair is equal to his weight.

contact force

A is ...

the Earth

B is ....

the Moon

C is ...

the Sun

High tides at ....

1 and 3

Low tides at ...

2 and 4