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