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