# Exercise and hygiene

> Grade 2: exercise keeps us healthy, heart beats faster when we run, washing hands stops germs, food groups for energy and growth, sleep.

Source: https://olyclass.com/library/science-g2-healthy-body-en/

- Subject: Science
- Level: Grade 2
- Quiz: 16
- Play it free on one screen (projector, TV or whiteboard): https://olyclass.com/library?play=science-g2-healthy-body-en
- Copy and edit it: https://olyclass.com/library?copy=science-g2-healthy-body-en
- Games it plays well in: [Prize Climb](https://olyclass.com/classroom-games/prize-climb/), [Ring the Bell](https://olyclass.com/classroom-games/ring-the-bell/), [High Water](https://olyclass.com/classroom-games/high-water/), [Tug of War](https://olyclass.com/classroom-games/tug-of-war/)

## Questions

1. Which of these is a good way to exercise? (Lying in bed / Playing tag / Sitting still / Watching TV)
   Answer: Playing tag
2. Exercise helps keep our bodies strong and healthy.
   Answer: True
3. Which part of the body gets stronger when we exercise? (Eyelashes / Hair / Muscles / Nails)
   Answer: Muscles
4. What happens to your heart when you run fast? (It beats faster / It beats slower / It beats the same / It stops beating)
   Answer: It beats faster
5. What do we call the beat you can feel on your wrist?
   Answer: Pulse
6. What does your heart do? (Breaks down food / Helps you see / Makes you taste / Pumps blood around the body)
   Answer: Pumps blood around the body
7. Why do we wash our hands with soap and water? (To get rid of germs / To help us grow taller / To make hands bigger / To make hands warm)
   Answer: To get rid of germs
8. We should wash our hands before we eat.
   Answer: True
9. Name one time when you should wash your hands.
   Answer: After using the toilet, before eating, after playing outside, or after sneezing
10. Which foods give us lots of energy to run and play? (Bread, rice and pasta / Ice and water / Lettuce and cucumber / Salt and pepper)
   Answer: Bread, rice and pasta
11. Which food has protein to help our bodies grow and repair? (Eggs / Lemonade / Lollipops / Sweets)
   Answer: Eggs
12. Fruit and vegetables are bad for our bodies.
   Answer: False
13. Name one food that is a good source of protein.
   Answer: Fish, meat, eggs, beans, nuts or cheese
14. About how many hours of sleep does a child aged 7 or 8 need each night? (About 10 hours / About 15 hours / About 3 hours / About 5 hours)
   Answer: About 10 hours
15. Why is sleep good for us? (It lets our bodies rest and grow / It makes germs grow / It makes muscles weaker / It stops the heart)
   Answer: It lets our bodies rest and grow
16. Which helps you sleep well at night? (A calm bedtime routine / Bright screens in bed / Loud music at bedtime / Running around before bed)
   Answer: A calm bedtime routine