Reading plus pt 25

 

Eating Hot Chilli

 Aim:

I want to find out how to get rid of the burning chilli off my tongue.

Research:

Equipment

• Popsicle stick
• Chilli
• Coca-cola
• Milk
• Timer
• Water

Instructions:

1. Get your equipment.
2. Scoop some chilli onto your stick.
3. Start the timer and eat the chilli.
4. Stop the timer after 4 mins.
5. Rate how hot your mouth is.
6. Do experiment again but drink water after 2 mins.
7. Do experiment again but drink Coca-cola after 2 mins.
8. Drink milk.

Results:

Without water or drinks 10/10

With water it was a 8.5/10

With coke it was a 11/10

With milk it was a  5/10

Discussion:

Why does chilli burn your mouth? Capsaicin 

Why did the milk reduce the burn? Casein

Reading plus pt 24

 

Bacteria around our School

 Aim:

I want to find out what type of bacteria are around our school.

Research:

    

Method:

Equipment

• Cue tips cotton bud
• Agar Plates
• Marker Pen
• Cellotape

Instructions

1. Get your equipment.
2. Wash your hands.
3. Use a marker pen to write your name and location on the lid.
4. Wet the cue tip and swab the surface.
5. Gently swab the agar plate.
6. Tape around the edges of the agar plate.
7. Put the agar plate in an incubator over night.
8. Observe the plate the next day.

Results:

White: Ecoli (poo bacteria)

Yellow: Strep throat (throat infection)

Pink: Salmonella (food poisoning

Red: Meningitis (Brain infection)

Reading plus pt 23

 

Reading plus pt 22

 

Reading plus pt 21