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