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