Group 1: How does laughter happen?
Laughter happens when we hear a funny joke, see a funny sight, recall a memory of something funny, witness some slapstick comedy like a clown slipping on a banana, or we might also laugh at something that is not funny.
Group 1: How long is the effect of the laughing gas on a person?
The duration of the laughing gas on a person is about 25 to 30 minutes.
Group 1 work done by Felicia, Putri, Adibah, Ethan and Luis.
Group 2: How long is the effect of the laughing gas on a person?
The effect will last for about 5 minutes.
Group 2 work done by Keng Yu, Xin Yao and friends.
Group 3: How much energy does one expand while laughing?
- 10 to 15 minutes of laughter every day can increase energy expenditure by 10 to 40 calories per day; which is the same as 2 kg a year.
- Laughing increases the heart rate by 10 to 20 percent.
- It is believed that laughing can burn calories.
- Laughing for 15 minutes can burn off 2 Hershey's kisses.
- Laughing for an hour could burn off a chocolate bar
Group 3 work done by Chloe, Faez, Othman, Akif, Zi Qi and Erica
Group 4: What bodily changes are taking place when we laugh?
- A big muscle above your stomach moves up and down your diaphgram.
- Your heart will pump twice as hard.
- Your vocal cords will vibrate.
- You might cry,
Group 4 work done by Aniq, Alfaizat, Shou Jun, Ikram and Alfie
Group 5: Why do we sometimes cry when we laugh?
Group 6: Why is laughing contagious?
The reason is when a person laughs, it sends the message to someone's brain and causes one to laugh as well.
See the article posted earlier on 'Why laughing is contagious?'
Group 6 work done by Juliana, Pyape and Friends
