Term 2 revision quizizz

Why is it unsafe to switch on a bulb with wet hands?

• The switch blows off.

• It can give a shock.

• The bulb gets fused.

• The wires are disconnected.

North pole of a magnet can be identified by

• another magnet, no matter whether the poles are marked or not

• another magnets having its poles marked as North pole and South pole

• using an iron bar

• using iron filings

You will see the shortest shadow of yourself in sunlight .......

• in the morning

• at noon

• in the evening

• in the night

Opaque material

• objects that emit light of their own

• a material that allows most of the light to pass through it

• a material that allows only a part of light to pass through it

• a material that does not allow any light to pass through it

When two magnets have the same poles facing each other they will?

• attract

• repel

• attack one another

• spin

Why is measurement important ?

• it is required by us in day to day activities

• it is used by shopkeepers when buying or selling products

• it is required for scientific calculations

• all of the above

A glowing LED bulb and a ringing bell are kept in a vacuum jar. A person looking at the jar will

• see the bulb glowing and hear the bell ringing

• hear the bell ringing but will not see the bulb glowing

• see the bulb glowing but will not hear the bell ringing

• neither see the glowing bulb nor hear the ringing bell

Fish and other aquatic animals breath through

• spiracles

• gills

• skin

• nostrils

Lunar eclipse

• shadow cast by the moon on the earth

• shadow cast by the moon on the sun

• shadow cast by the earth on the moon

• shadow cast by the earth on the sun

The direction of movement remains same in

• periodic motion

• curvilinear motion

• rotational motion

• rectilinear motion