Unit 3 quiz grade 6

In which of the following situations the work is done?

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The food that we eat is an example of _____________.

• Mechanical energy

• Muscular energy

• Chemical energy

• Heat energy

Which of the following is odd one out?

Diesel, crude oil, wind, natural gas

Energy due to motion of an object is called __________ energy.

• Potential energy

• Electrical energy

• Heat energy

• Kinetic energy

A stretched bow is an example of __________ energy.

• Potential

• Kinetic

• Muscular

• Mechanical

Which of the given objects will attract to a magnet?

• Iron nails

• A feather

• Rubber bands

• A gold ring

Opposite poles of a magnet always attract each other.

• True

• False

A freely suspended magnet always rests in __________ direction.

• East-west direction

• North -South direction

• It's not fixed

• It remains as we suspend it

Observe the picture. It shows iron filings attracted to a magnet. What does this show?

• Iron filings are attracted to magnet at all places.

• The magnetic power is more at the centre than the poles.

• The magnetic power is more at the poles than at the centre.

• Magnetic power is same everywhere in the magnet.

Which of the following magnets(A, B, C) will show repulsion?

• A and B

• B and C

• A and C

• None- all magnets will show attraction.