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