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

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The direction of the sun's gravitational force acting on the planets is always...

towards the sun

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

Gravity

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

same

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

12 hours

Most of wasted energy in the form of ____ energy

thermal

What kind of energy that store in a streched spring ?

Elastic potential energy

Which diagram of energy changes represent this event ?

potential gravitational energy changes to kinetic energy

What is the unit of weight and force?

Newton

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

Twice

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

heat the food

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

vacuum

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

The planet forming process takes a really long time.

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

high tide

What is the force that acts to slow the spacecraft in the air around Earth, but does not act on the spacecraft in space?

air resistance

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

chemical energy

What are the effects of tides

the harbours can only be used at certain times of the day, affect food chains, can be dangerous for small boats

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

2 Kg

What makes Neptune, which is 30 times farther from the sun than Earth and yet still able to stay in its orbit?

Because it also has greater mass

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

450 N

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

tidal range

What is the unit of mass?

Kilogram