Museums keep animal skeletons for study.
Atmosphere contains only oxygen.
Earth has both land and water on its surface.
Which of the following is an impurity in water?
Which of the following are changes of state of water?
Which process turns liquid water into ice?
What form of water is ice?
Oceans get water from rivers and rainfall.
Which gases are found in the atmosphere?
Rain is part of the water cycle.
Which activity helps remove impurities from water?
Water cycle helps in continuous supply of water.
Which natural resource is used for drinking?
Match the items with their categories.
Ice melts to form water.
Which of the following are sources of water on Earth?
Impurities make water unsafe to drink.
Soil minerals are used by plants to grow.
Which gas is most abundant in the atmosphere?
What happens during condensation?
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