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