Question

<br />Q.1)Answer in one line.<br />1) Name four different forms of energy.<br />2)Why should drinking water be purified?<br />3) Why does the moon shine?<br />4) What are greenhouse gases?<br />5) Name three active volcanoes.<br />Q.2) Answer the following in short (any5)<br />(15)<br />1) What are earthquakes?<br />2)What is global warming?<br />3)The brain needs a continuous supply of blood and<br />oxygen. Why?<br />4)How is air useful to us?<br />5)Name the different types of forces.<br />6) What is drought?Name the conditions that can cause a<br />drought.<br />Q.3)Answer the following in long (any 3)<br />(15)<br />1)Name the different parts of the brain.What work does each<br />part do?<br />2)What do you mean by pollution? How can we prevent pollution<br />of air and water?<br />3) How is a solar eclipse caused. Explain with diagram.<br />4) What is Distilled water? What are it's uses?<br />​

Answer 1

Answer-don't timepass we are studying here