LESSON 3

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 2

HAVE READY:

- A LABPARTNER

- A PRINTED WORKSHEET

- A PEN/PENCIL

- A PHONE/CAMERA

LESSON 3

6 TEST TUBES

• WATER (BASE LINE)
• YOGHURT
• KIDS DESSERT
• RICE WATER
• PORRIDGE/BAMBIX
• APPLE JUICE

• 2 FINGERS

2-3 DROPS

- 2 FINGERS OF EACH NUTRIENT

- 5 TEST TUBES

IMMEDIATE RESULT, NO SHAKING REQUIRED

TEST 1

- 2 FINGERS OF EACH NUTRIENT

- 5 TEST TUBES

5-6 DROPS

8 MINUTES

MIGHT NEED SHAKING

BE CAREFULL TEST-TUBES WILL BE HOT!!

TEST 2

- 2 FINGERS OF EACH NUTRIENT

- 5 TEST TUBES

BLUE - 4 DROPS

CLEAR - 2 DROPS

MIGHT NEED SHAKING

TEST 3

RULES OF LAB:

• KEEP LABCOATS AND GLASSES ON
• STICK TO YOUR STATIONS 
• ONLY ONE PERSON PER PAIR WALKS AT A TIME
• YOU ADD INDICATORS AT YOUR WORK STATION BUT RETURN THESE QUICKLY
• WASH THE TUBES BETWEEN EXPERIMENTS AT THE SINKS
• BE QUIET AND BE SAFE!!