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