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