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