Science

Question: What is the composition of air? or Write a short note on the composition of air. Answer: Air is mixture of nitrogen, oxygen, carbon dioxide, water vapour and a few other gases. Some dust particles may also be present in it. Air is a mixture of gases, mainly containing …

NCERT 6th Class (CBSE) Science: Garbage In, Garbage Out – Quiz 23 Multiple Choice Questions related to NCERT 6th Class (CBSE) Science: Garbage In, Garbage Out – Quiz: There is a need different methods for disposal. The biodegradable can be composted and turned into manure and the non biodegradable  can be …

Question: Distinguish between bio-degradable and non bio-degradable. Answer: Biodegradable waste: Waste that will decay and mix with soil. Microorganisms can convert this waste into simpler from. Peels, meat, leaves are the example. Non biodegradable wast: Waste that will not decay and mix soil. Microorganisms cannot convert this waste into simpler …

Question: Why does a freely suspended magnet point in the north-south direction? Answer: It is believed that earth behaves like a big bar magnet with it south pole towards geographical north-pole. That’s why a freely suspended magnet points in north-south directions. Question: Briefly explain the properties of magnet. Answer: The properties …

Question: Draw a circuit diagram showing a bulb connected with a cell. Answer: Circuit diagram showing a bulb connected with a cell Bulb connected with a cell Question: What is an electric circuit? The classed path around which an electric current flows is known as electric circuit. Question: Why is …

Question: We see the sun rising 8 1/4 minutes after it has risen. Why? Answer: The speed of light is 3 lakh per second. The sun’s raise take time to reach on earth. Question: Name two sources of light and two man-mad sources of light. Answer: Man-mad source of light are: …

NCERT 6th Class (CBSE) Science: Light, Shadows and Reflections – Quiz 20 Multiple Choice Questions related to NCERT 6th Class (CBSE) Science: Light, Shadows and Reflections: The speed of light is 3 lakh per second. The sun’s raise take time to reach on earth. When the source of light is …

NCERT 6th Class (CBSE) Science: Electricity and Circuits – Quiz 26 Multiple Choice Questions related to NCERT 6th Class (CBSE) Science: Electricity and Circuits – Quiz: The classed path around which an electric current flows is known as electric circuit. Secondary cells are cells that can be recharged if it …

Question: How to conserve water? Answer: The various ways to conserve water are: Creating awareness among people about the need and ways to conserve water. Turn off the taps immediately after use. We should get the baking taps repaired immediately. Wash the utensils by filling water basin. We should take …

NCERT 6th Class (CBSE) Science: Water and Its Importance – Quiz 23 Multiple Choice Questions related to NCERT 6th Class (CBSE) Science: Water and Its Importance – Quiz: We should conserve water because only 1% of the earth’s surface is drinking covered with pure water which is fresh and suitable …