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Q1. A force is ____.

• a push or pull that can cause movement

• a magnet

• when someone does not work

Q4.Gravity is ____.

• a force that attracts objects towards the center of the earth

• a force that moves objects away

• a push or pull

Q7.. Rough surfaces have _________greater

• less friction than smoother surfaces

• greater friction than smooth surfaces

• Same friction as smooth surfaces

Q9.Which force stops the moving toy on the ground?

• Gravity

• Magnetism

• Friction

Q10. This is a..................... it measures force in ..............

• Forcmeter , kilograms

• Forcemeter , Newtons

• Balance,Kilograms

• Balance,Newtons

We can measure a force by using a tool called

• Balance

• Forcemeter

The unit of measuring mass is.......................

N.B. Mass is not a kind of force.

• Newton

• Kilogram/ gram

The name of the great scientist who discovered gravity is ……………………………….

• Isaac Newton

• Graham Bell

Magnets can pull or attract some ---------objects.

• wood

• plastic

• metal

True or false : All metals are attracted to magnet.

• True

• False