Evaporation and Condensation

Q.

Water evaporates into the air from oceans, rivers, and lakes but not from the soil.

1. True
2. False

Q. Where can we find water vapour?

1. In the air we breathe
2. In the air around us
3. All of these
4. Above a dish with boiling water

Q. Period of unusually dry weather and water shortage is called _____.

1. drought
2. flood
3. cyclone
4. famine

Q.

Roy notices water vapour coming out of the hot water. Identify the process involved in it.

1. Evaporation
2. Solidification
3. Cooling
4. Freezing

Q. __ is defined as the amount of moisture in the air.

1. Drought
2. Humidity
3. Hail
4. Wind

Q. Why does flood affect the growth of onion crops?

1. Flood causes excess water in the soil.
2. Flood reduces the water in the soil.
3. Excess water causes rotting of the onion bulbs.
4. Excess water restricts the growth of onion bulbs.

Q. Hail and snow are types of ______.

1. condensation
2. rain
3. precipitation
4. evaporation

Q.

Water molecules ______ when they change from solid to liquid.

1. stay still

2. get excited

3. freeze

4. slow down

Q.

The process by which vapour turns into liquid phase is called ______.

1. Condensation

2. Precipitation

3. Evaporation

4. Freezing

Q.

The gaseous substance which rises up from waterbeds is known as

1. Rain

2. Water

3. Water Vapour

4. Snow

Q. Pick the one that most likely happens during summer.

1. Frozen lake
2. Flood
3. Heavy rain
4. Drought

Q. Is excess melting of ice caps and glaciers good for us? Explain.

Q. Rain water on roads dry up during a sunny day. This is an example of ________.

1. condensation
2. evaporation
3. precipitation
4. freezing

Q. expand the follwing outlines into a complete story in about 150 words . outline:month of june_ scortching heat_a crow feels thirsty_in search of water_finds water in a jug_drops pebbles_water level comes up_drinks.

Q. Arjun noticed that tiny droplets of water have formed outside a cold bottle of water. Which process is this?

1. Precipitation
2. Condensation
3. Evaporation
4. Infiltration

Q.

4. Animals like fish in shallow ponds die in certain conditions. What are these conditions?