Question: Why does heated air rise up? Answer: The air get heated the molecules expand and get away from each other and the air becomes less dense. Question: What causes lightning during a thunderstorm? Answer: The water droplets and ice crystals collide with each other due to the swift rising air. These …
Read More »NCERT 5th Class (CBSE) Science: Solid, Liquid and Gases – Quiz
NCERT 5th Class (CBSE) Science: Solid, Liquid and Gases – Quiz 15 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Solid, Liquid and Gases – Quiz: Liquids take the shape of the container they are poured in because the particles are not as tightly packed as in solids. …
Read More »NCERT 7th Class (CBSE) Science: Electric Current and its effects
Question: What is an electric circuit? Answer: An electric Circuit is a continuous conducting path for electric current. Question: What is the relationship between potential difference and direction of flow of current in an electric circuit? Answer: If current flows from point A to point B in a wire, we …
Read More »NCERT 5th Class (CBSE) Science: Volcanoes, Earthquakes and Tidal Waves – Quiz
NCERT 5th Class (CBSE) Science: Volcanoes, Earthquakes and Tidal Waves – Quiz 12 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Volcanoes, Earthquakes and Tidal Waves – Quiz: Cracks in the earth’s crust out of which molten magma comes out is called volcanoes. A sudden movement of a …
Read More »NCERT 5th class (CBSE) Science: Earth, Sun and Moon – Quiz
NCERT 5th class (CBSE) Science: Earth, Sun and Moon – Quiz 14 Multiple Choice Questions related to NCERT 5th class (CBSE) Science: Earth, Sun and Moon – Quiz: The sun and the celestial bodies that revolve around it form the solar system. When the moon comes between the earth and …
Read More »NCERT 7th Class (CBSE) Science: Weather, Climate and Adaptations of Animals to Climate
NCERT 7th Class (CBSE) Science: Weather, Climate and Adaptations of Animals to Climate Question: What does a meteorologist do? Answer: A meteorologist is a person who prepares the weather report by collecting information on temperature, wind, humidity, rainfall etc. and predicts the weather conditions of a particular place. Question: What …
Read More »NCERT 5th Class (CBSE) Science: Rocks and Minerals – Quiz
NCERT 5th Class (CBSE) Science: Rocks and Minerals – Quiz 15 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Rocks and Minerals – Quiz: All rocks are made up of substances called minerals. Minerals arwe chemics;l substances that occur in nature. Eg: gold, silver and iron. Natural magnets: …
Read More »NCERT 5th Class (CBSE) Science: Force and Energy – Simple Machine – Quiz
NCERT 5th Class (CBSE) Science: Force and Energy – Simple Machine – Quiz 13 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Force and Energy – Simple Machine – Quiz: A push or pull acting on an object is called force. The friction between the types of vehicle …
Read More »NCERT 5th Class (CBSE) Science: Air and Water – Quiz
NCERT 5th Class (CBSE) Science: Air and Water – Quiz 15 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Air and Water – Quiz: Impurities that dissolve in water are called soluble impurities. Eg: salt, sugar The rate of sedimentation can be increased by adding special chemicals like alum. …
Read More »NCERT 5th Class (CBSE) Science: Skeletal System and Nervous System – Quiz
NCERT 5th Class (CBSE) Science: Skeletal System and Nervous System – Quiz 29 Multiple Choice Questions related to NCERT 5th Class (CBSE) Science: Skeletal System and Nervous System – Quiz: The nervous system controls all the organs in our body. It is made of the brain, the spinal cord and …
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