Ease 1 Review grade 7 | Baamboozle - Baamboozle | The Most Fun Classroom Games!

English 21 Public

Gravity, weight and mass, Formation of the solar system, tides, movement in space, Change in Energy, where does energy go

Study Slideshow

What is the unit of weight and force?

Newton

15

Name the force that can pull particles of dust and gas together in space.

Gravity

15

What is the unit of mass?

Kilogram

15

Aldy has mass 45 kg on Earth (g=10 N/Kg). What is his weight?

450 N

20

How many times does hight tide happen in one day (24 hours) ?

Twice

15

There is no air in space. The space where there are no particles is called...

vacuum

15

How long the time difference between one high tide and the next high tide? approximately ...

12 hours

15

Calculate the mass of an apple that has weight of 20 N.

2 Kg

20

Fuel such wood, coal and oil stored ...... energy.

chemical energy

10

What kind of energy that store in a streched spring ?

Elastic potential energy

15

How the mass of an object on Mars would compare with the mass of the same object on Earth ?

same

15

The useful energy in the cooking process like in the picture above is to ______

heat the food

10

Seawater on the side of the Earth closest to the Moon experiences _____ (high tide or low tide)

high tide

15

The difference in depth of the water between high and low tides is _____

tidal range

15

Most of wasted energy in the form of ____ energy

thermal

15

Explain why scientists cannot watch the complete process of a star and planets forming.

The planet forming process takes a really long time.

15