 |  Air and Water 20 Flashcards |  Start |
 | What do we call it when air moves? |  Card: 1 / 20 |
| Wind | Card: 2 / 20 |
| True or False: We can see air around us. | Card: 3 / 20 |
| False. Air is everywhere around us, but we cannot see it. | Card: 4 / 20 |
| Fill in the blank: All living things need _____ to breathe. | Card: 5 / 20 |
| Oxygen | Card: 6 / 20 |
| What are the three states of water? | Card: 7 / 20 |
| B) Solid, liquid, gas | Card: 8 / 20 |
| Why do we see dust particles in a beam of light? | Card: 9 / 20 |
| Because air contains tiny dust particles that become visible in light. | Card: 10 / 20 |
|  Unlock all Flashcards with EduRev Infinity Plan Starting from @ ₹99 only | |
| What percentage of Earth's surface is covered with water? | Card: 11 / 20 |
| Around 71% | Card: 12 / 20 |
| Riddle: I am invisible but you feel me when I move. Fire needs me to burn. What am I? | Card: 13 / 20 |
| Air | Card: 14 / 20 |
| True or False: Plants use carbon dioxide to make food. | Card: 15 / 20 |
| True | Card: 16 / 20 |
| Name two ways to save water at home. | Card: 17 / 20 |
| Turn off taps while brushing teeth and fix leaking taps. | Card: 18 / 20 |
| What happens to water when the sun heats it up? | Card: 19 / 20 |
| It turns into water vapour and mixes with air. | Card: 20 / 20 |
| Completed! Keep practicing to master all of them. |  Restart |
