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