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