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