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class-4-Science-Weather -1 1 / 20 What happens when the rate of evaporation equals the rate of condensation? The dew point is reached Precipitation occurs The humidity decreases Clouds form 2 / 20 Which of the following decreases as elevation increases? Temperature Clouds Precipitation Latitude 3 / 20 When droplets in a cloud reach a certain size, they: Change the climate of an area Cause an electric discharge Form a cold front 4 / 20 Which of the following is the cause of the change of seasons? 7The sizes and shapes of land-surface features The tilt of the earth's axis The process called rain-shadow effect The rotation of the earth 5 / 20 Earth's natural heating process is called The greenhouse effect The Milankovitch theory 7Global warming An ice age 6 / 20 7Changes in weather are caused by the interaction of: Air masses Anticyclones Fronts Cyclones 7 / 20 What is a cloud made of? Gases Snow Water droplets Warm air 8 / 20 Which of the following is NOT true of an ice age? 7There have been a few major ice ages A mixture of periods of cold and periods of warmth Ice forms in high latitudes and moves towards lower latitudes Ice sheets advance and get bigger 9 / 20 Which of the following weather conditions causes the most deaths? Thunderstorm Cyclone Hail Rain 10 / 20 What is water cycle? 7Evaporatin of water Water moving between the atmosphere, the land, and the oceans Air pressure sinking and then rising Water droplets forming on surfaces7 11 / 20 Global warming may be caused by: An increase in carbon dioxide concentrations The tilt of the earth's axis. A decrease in carbon dioxide concentrations Changes in weather patterns 12 / 20 Changes in weather are the interaction of: Air masses Tornadoes Clouds Storm surges 13 / 20 The sun's energy causes water to change states through: Ice crystals Weather The water cycle Relative humidity 14 / 20 Which of the following statements is NOT true about winds? Winds carry evaporated water away from the ocean surface Winds carry solar energy to and from different locations Winds move in unpredictable patterns across the earth's surface Winds blow from areas of high pressure to areas of low pressure 15 / 20 As surface currents move, They bring warm temperatures to the West Coast They carry warm or cool water to different locations They release heat quickly They influence the amount of solar energy an area receives 16 / 20 The rate of evaporation of water is slower when: The humidity of the surrounding air is higher The wind is stronger The temperature is higher The area of exposed surface is greater 17 / 20 What causes changes in weather? Cloud formation Interaction of air mass Humidity of air Water evaporetion 18 / 20 When temperatures fall below 0°C, what forms in a cloud? Water droplets Gases 7Dew Ice crystals 19 / 20 What do scientists use to express the amount of water vapour in the air? Relative humidity Dew point Vapour pressure Relative point 20 / 20 The short-term state of the atmosphere is called: Dew point Water cycle Weather Climate Your score is LinkedIn Facebook Twitter VKontakte
class-4-Science-Weather -1
1 / 20
What happens when the rate of evaporation equals the rate of condensation?
2 / 20
Which of the following decreases as elevation increases?
3 / 20
When droplets in a cloud reach a certain size, they:
4 / 20
Which of the following is the cause of the change of seasons?
5 / 20
Earth's natural heating process is called
6 / 20
7Changes in weather are caused by the interaction of:
7 / 20
What is a cloud made of?
8 / 20
Which of the following is NOT true of an ice age?
9 / 20
Which of the following weather conditions causes the most deaths?
10 / 20
What is water cycle?
11 / 20
Global warming may be caused by:
12 / 20
Changes in weather are the interaction of:
13 / 20
The sun's energy causes water to change states through:
14 / 20
Which of the following statements is NOT true about winds?
15 / 20
As surface currents move,
16 / 20
The rate of evaporation of water is slower when:
17 / 20
What causes changes in weather?
18 / 20
When temperatures fall below 0°C, what forms in a cloud?
19 / 20
What do scientists use to express the amount of water vapour in the air?
20 / 20
The short-term state of the atmosphere is called:
Your score is
class-4-Science-Weather -2 1 / 15 The distance north or south from the equator is called Topography Elevation The rain-shadow effect Latitude 2 / 15 Bleaching powder helps in clearing water by acting on: Floating particles Mud Foul smells Germs 3 / 15 Washing clothes near a water source is harmful because the dirt and soap released: Are left behind to create slush Are responsible for doing all of the above Flow into the water Are absorbed by the soil to reach sub-soil water 4 / 15 The amount of bleaching powder for purifying water should be: 1 teaspoon in a bucket 1 teaspoon in a bucket and 3 teaspoons of this in a glass 1 teaspoon in a glass and 3 teaspoons of this in a bucket 1 teaspoon in a glass 5 / 15 At higher elevations, The temperature of the air is higher The dew point is higher The temperature of the air is lower There is no rain-shadow effect 6 / 15 Land breeze blows during: Nighttime Noon time Daytime Morning 7 / 15 When air is nearly saturated and temperature drops, what is reached? Precipitation Condensation Dew point Humidity 8 / 15 One reason for global warming may be: Increasing global gases Increasing greenhouse gases Decreasing greenhouse gases Decreasing global gases 9 / 15 In the process of boiling: Germs get killed Colour disappears Floating particles settle down Foul smells escape 10 / 15 Seasons are caused by: Ocean currents The greenhouse effect The tilt of the earth's axis The rain-shadow effect 11 / 15 Anaya carried out an experiment. She poured 200 ml of water into each of the three containers shown below. She put the containers under the sun and recorded the time taken for the water to evaporate completely from each container. The aim of the experiment was: A and C To find out whether the area of exposed surface does not affect the rate of evaporation To find out whether is same the rate of evaporation To find out whether the area of exposed surface affects the rate of evaporation 12 / 15 Evaporation increases with: Increases in the area of exposure Decreases in the temperature Decreases in the area of exposure Increases in the amount of water 13 / 15 Humidity is: The continuous movement of water The amount of water vapour in the air When a gas becomes a liquid The temperature below dew point 14 / 15 Stream-like movements of water that have a large effect on an area's climate are: Storm surges Dew Water vapour Surface currents 15 / 15 Water is safe for human consumption only when it is free from: All of the above Unwanted smells Micro-organisms Floating substances Your score is The average score is 0% 0% Restart quiz
class-4-Science-Weather -2
1 / 15
The distance north or south from the equator is called
2 / 15
Bleaching powder helps in clearing water by acting on:
3 / 15
Washing clothes near a water source is harmful because the dirt and soap released:
4 / 15
The amount of bleaching powder for purifying water should be:
5 / 15
At higher elevations,
6 / 15
Land breeze blows during:
7 / 15
When air is nearly saturated and temperature drops, what is reached?
8 / 15
One reason for global warming may be:
9 / 15
In the process of boiling:
10 / 15
Seasons are caused by:
11 / 15
Anaya carried out an experiment. She poured 200 ml of water into each of the three containers shown below. She put the containers under the sun and recorded the time taken for the water to evaporate completely from each container.
The aim of the experiment was:
12 / 15
Evaporation increases with:
13 / 15
Humidity is:
14 / 15
Stream-like movements of water that have a large effect on an area's climate are:
15 / 15
Water is safe for human consumption only when it is free from:
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