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