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class-4-Science-Weather -1 1 / 20Which of the following is NOT true of an ice age? 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 Ice sheets advance and get bigger 2 / 20When droplets in a cloud reach a certain size, they: Form a cold front Cause an electric discharge Change the climate of an area 3 / 20As surface currents move, They carry warm or cool water to different locations They influence the amount of solar energy an area receives They release heat quickly They bring warm temperatures to the West Coast 4 / 20What is a cloud made of? Water droplets Snow Warm air Gases 5 / 20What is water cycle? Air pressure sinking and then rising 7Evaporatin of water Water moving between the atmosphere, the land, and the oceans Water droplets forming on surfaces7 6 / 20The short-term state of the atmosphere is called: Weather Dew point Water cycle Climate 7 / 20The rate of evaporation of water is slower when: The humidity of the surrounding air is higher The temperature is higher The area of exposed surface is greater The wind is stronger 8 / 20When temperatures fall below 0°C, what forms in a cloud? 7Dew Ice crystals Water droplets Gases 9 / 20What do scientists use to express the amount of water vapour in the air? Relative point Dew point Relative humidity Vapour pressure 10 / 20What happens when the rate of evaporation equals the rate of condensation? The dew point is reached Precipitation occurs The humidity decreases Clouds form 11 / 20Which 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 12 / 20Global warming may be caused by: An increase in carbon dioxide concentrations The tilt of the earth's axis. Changes in weather patterns A decrease in carbon dioxide concentrations 13 / 20Which of the following decreases as elevation increases? Clouds Temperature Precipitation Latitude 14 / 20Which of the following weather conditions causes the most deaths? Hail Rain Thunderstorm Cyclone 15 / 20Changes in weather are the interaction of: Tornadoes Clouds Storm surges Air masses 16 / 20What causes changes in weather? Water evaporetion Cloud formation Humidity of air Interaction of air mass 17 / 20The sun's energy causes water to change states through: Relative humidity Ice crystals The water cycle Weather 18 / 20Which of the following statements is NOT true about winds? Winds carry solar energy to and from different locations Winds blow from areas of high pressure to areas of low pressure Winds move in unpredictable patterns across the earth's surface Winds carry evaporated water away from the ocean surface 19 / 20Earth's natural heating process is called An ice age The greenhouse effect The Milankovitch theory 7Global warming 20 / 207Changes in weather are caused by the interaction of: Fronts Cyclones Anticyclones Air masses Your score is LinkedIn Facebook Twitter VKontakte
class-4-Science-Weather -1
1 / 20
Which of the following is NOT true of an ice age?
2 / 20
When droplets in a cloud reach a certain size, they:
3 / 20
As surface currents move,
4 / 20
What is a cloud made of?
5 / 20
What is water cycle?
6 / 20
The short-term state of the atmosphere is called:
7 / 20
The rate of evaporation of water is slower when:
8 / 20
When temperatures fall below 0°C, what forms in a cloud?
9 / 20
What do scientists use to express the amount of water vapour in the air?
10 / 20
What happens when the rate of evaporation equals the rate of condensation?
11 / 20
Which of the following is the cause of the change of seasons?
12 / 20
Global warming may be caused by:
13 / 20
Which of the following decreases as elevation increases?
14 / 20
Which of the following weather conditions causes the most deaths?
15 / 20
Changes in weather are the interaction of:
16 / 20
What causes changes in weather?
17 / 20
The sun's energy causes water to change states through:
18 / 20
Which of the following statements is NOT true about winds?
19 / 20
Earth's natural heating process is called
20 / 20
7Changes in weather are caused by the interaction of:
Your score is
class-4-Science-Weather -2 1 / 15Water is safe for human consumption only when it is free from: All of the above Floating substances Unwanted smells Micro-organisms 2 / 15The distance north or south from the equator is called Topography Latitude The rain-shadow effect Elevation 3 / 15Seasons are caused by: The greenhouse effect The tilt of the earth's axis The rain-shadow effect Ocean currents 4 / 15Washing 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 5 / 15When air is nearly saturated and temperature drops, what is reached? Precipitation Dew point Condensation Humidity 6 / 15The amount of bleaching powder for purifying water should be: 1 teaspoon in a bucket 1 teaspoon in a glass 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 7 / 15Land breeze blows during: Nighttime Daytime Noon time Morning 8 / 15Humidity is: The continuous movement of water When a gas becomes a liquid The temperature below dew point The amount of water vapour in the air 9 / 15At higher elevations, There is no rain-shadow effect The temperature of the air is higher The temperature of the air is lower The dew point is higher 10 / 15One reason for global warming may be: Increasing greenhouse gases Decreasing greenhouse gases Decreasing global gases Increasing global gases 11 / 15Stream-like movements of water that have a large effect on an area's climate are: Storm surges Dew Water vapour Surface currents 12 / 15Bleaching powder helps in clearing water by acting on: Floating particles Mud Foul smells Germs 13 / 15Evaporation increases with: Decreases in the temperature Increases in the area of exposure Increases in the amount of water Decreases in the area of exposure 14 / 15Anaya 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 does not affect the rate of evaporation To find out whether the area of exposed surface affects the rate of evaporation 15 / 15In the process of boiling: Foul smells escape Floating particles settle down Colour disappears Germs get killed Your score isThe average score is 0% 0% Restart quiz
class-4-Science-Weather -2
1 / 15
Water is safe for human consumption only when it is free from:
2 / 15
The distance north or south from the equator is called
3 / 15
Seasons are caused by:
4 / 15
Washing clothes near a water source is harmful because the dirt and soap released:
5 / 15
When air is nearly saturated and temperature drops, what is reached?
6 / 15
The amount of bleaching powder for purifying water should be:
7 / 15
Land breeze blows during:
8 / 15
Humidity is:
9 / 15
At higher elevations,
10 / 15
One reason for global warming may be:
11 / 15
Stream-like movements of water that have a large effect on an area's climate are:
12 / 15
Bleaching powder helps in clearing water by acting on:
13 / 15
Evaporation increases with:
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
In the process of boiling:
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