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