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class-4-Science-Weather -1 1 / 20 Earth's natural heating process is called An ice age The Milankovitch theory The greenhouse effect 7Global warming 2 / 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 3 / 20 The short-term state of the atmosphere is called: Water cycle Climate Dew point Weather 4 / 20 What is water cycle? Water droplets forming on surfaces7 7Evaporatin of water Air pressure sinking and then rising Water moving between the atmosphere, the land, and the oceans 5 / 20 What happens when the rate of evaporation equals the rate of condensation? The dew point is reached Clouds form The humidity decreases Precipitation occurs 6 / 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 The process called rain-shadow effect 7The sizes and shapes of land-surface features 7 / 20 Which of the following decreases as elevation increases? Precipitation Temperature Clouds Latitude 8 / 20 What do scientists use to express the amount of water vapour in the air? Vapour pressure Dew point Relative point Relative humidity 9 / 20 The sun's energy causes water to change states through: Weather Relative humidity Ice crystals The water cycle 10 / 20 7Changes in weather are caused by the interaction of: Air masses Anticyclones Cyclones Fronts 11 / 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 12 / 20 What causes changes in weather? Humidity of air Interaction of air mass Cloud formation Water evaporetion 13 / 20 The rate of evaporation of water is slower when: The temperature is higher The area of exposed surface is greater The humidity of the surrounding air is higher The wind is stronger 14 / 20 Changes in weather are the interaction of: Air masses Storm surges Clouds Tornadoes 15 / 20 As surface currents move, They influence the amount of solar energy an area receives They release heat quickly They carry warm or cool water to different locations They bring warm temperatures to the West Coast 16 / 20 Which of the following weather conditions causes the most deaths? Hail Thunderstorm Rain Cyclone 17 / 20 Global warming may be caused by: The tilt of the earth's axis. A decrease in carbon dioxide concentrations An increase in carbon dioxide concentrations Changes in weather patterns 18 / 20 Which of the following statements is NOT true about winds? Winds move in unpredictable patterns across the earth's surface Winds carry solar energy to and from different locations Winds blow from areas of high pressure to areas of low pressure Winds carry evaporated water away from the ocean surface 19 / 20 When temperatures fall below 0°C, what forms in a cloud? Water droplets Gases 7Dew Ice crystals 20 / 20 What is a cloud made of? Warm air Snow Gases Water droplets Your score is LinkedIn Facebook VKontakte
class-4-Science-Weather -1
1 / 20
Earth's natural heating process is called
2 / 20
When droplets in a cloud reach a certain size, they:
3 / 20
The short-term state of the atmosphere is called:
4 / 20
What is water cycle?
5 / 20
What happens when the rate of evaporation equals the rate of condensation?
6 / 20
Which of the following is the cause of the change of seasons?
7 / 20
Which of the following decreases as elevation increases?
8 / 20
What do scientists use to express the amount of water vapour in the air?
9 / 20
The sun's energy causes water to change states through:
10 / 20
7Changes in weather are caused by the interaction of:
11 / 20
Which of the following is NOT true of an ice age?
12 / 20
What causes changes in weather?
13 / 20
The rate of evaporation of water is slower when:
14 / 20
Changes in weather are the interaction of:
15 / 20
As surface currents move,
16 / 20
Which of the following weather conditions causes the most deaths?
17 / 20
Global warming may be caused by:
18 / 20
Which of the following statements is NOT true about winds?
19 / 20
When temperatures fall below 0°C, what forms in a cloud?
20 / 20
What is a cloud made of?
Your score is
class-4-Science-Weather -2 1 / 15 One reason for global warming may be: Decreasing global gases Increasing global gases Increasing greenhouse gases Decreasing greenhouse gases 2 / 15 Evaporation increases with: Decreases in the temperature Increases in the area of exposure Decreases in the area of exposure Increases in the amount of water 3 / 15 Bleaching powder helps in clearing water by acting on: Mud Floating particles Germs Foul smells 4 / 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 5 / 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 Are responsible for doing all of the above Flow into the water Are left behind to create slush 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 The distance north or south from the equator is called Elevation Latitude Topography The rain-shadow effect 8 / 15 Seasons are caused by: The rain-shadow effect The tilt of the earth's axis The greenhouse effect Ocean currents 9 / 15 Stream-like movements of water that have a large effect on an area's climate are: Storm surges Water vapour Surface currents Dew 10 / 15 Humidity is: The temperature below dew point The continuous movement of water The amount of water vapour in the air When a gas becomes a liquid 11 / 15 The amount of bleaching powder for purifying water should be: 1 teaspoon in a bucket 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 glass 12 / 15 In the process of boiling: Foul smells escape Germs get killed Colour disappears Floating particles settle down 13 / 15 Water is safe for human consumption only when it is free from: Unwanted smells All of the above Floating substances Micro-organisms 14 / 15 Land breeze blows during: Morning Daytime Nighttime Noon time 15 / 15 When air is nearly saturated and temperature drops, what is reached? Condensation Precipitation Humidity Dew point Your score isThe average score is 0% 0% Restart quiz
class-4-Science-Weather -2
1 / 15
One reason for global warming may be:
2 / 15
Evaporation increases with:
3 / 15
Bleaching powder helps in clearing water by acting on:
4 / 15
At higher elevations,
5 / 15
Washing clothes near a water source is harmful because the dirt and soap released:
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
The distance north or south from the equator is called
8 / 15
Seasons are caused by:
9 / 15
Stream-like movements of water that have a large effect on an area's climate are:
10 / 15
Humidity is:
11 / 15
The amount of bleaching powder for purifying water should be:
12 / 15
In the process of boiling:
13 / 15
Water is safe for human consumption only when it is free from:
14 / 15
Land breeze blows during:
15 / 15
When air is nearly saturated and temperature drops, what is reached?
The average score is 0%
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