Science pt-2 quiz

1.Artificial magnets were discovered in Greece.

• False

• True

2.Which is not a

properties of a magnet?

• magnets have two poles: the North Pole and the South Pole.

• Like poles of the magnet attract each other and unlike poles repel each other.

• The magnetic force of a magnet is stronger at its poles than in the middle

• A freely suspended magnet always points in North-South direction.

3.What was the name given to natural magnets?

• Magnesia

• Magnes

• Magnetic

• Magnetite

4.Magnetite contains ______.

• Cobalt

• Iron

• Silver

• Copper

5.People believe that magnetite was first discovered at a place called ______.

• Magnet

• Magnes

• Magnetite

• Magnesia

6.State whether it is due to evaporation or condensation.

1.Steam rising from wet clothes while they are ironed.

• Evaporation

• Condensation

7.State whether it is due to evaporation or condensation.

1.Fog appearing on a cold winter morning.

• Condensation

• Evaporation

8.Air in motion is called ______.

• Breeze

• Storm

• Wind

• None of the above

The envelope of air that surrounds the earth is known as ______.

• Lithosphere

• Atmosphere

• Biosphere

• Thermosphere

Aquatic animals use dissolved oxygen in water for respiration.

• False

• True