Trolls Brain Juice' (Red Cabbage pH Indicator Experiment!) | LET'S GO LIVE with Maddie and Greg

Trolls Brain Juice' (Red Cabbage pH Indicator Experiment!) | LET'S GO LIVE with Maddie and Greg

Assessment

Interactive Video

Biology, Science, Chemistry

1st - 6th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial introduces the concept of using a troll's brain, represented by red cabbage, to create a magical potion called troll's brain juice. The process involves slicing the cabbage, adding hot water, and observing the color change. The tutorial then demonstrates experiments with the juice, showing how it reacts with different substances to indicate whether they are acids or alkalis. The video concludes with an explanation of the chemistry behind these reactions, emphasizing the educational aspect of using cabbage juice as a pH indicator.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the 'troll's brain' actually made from?

Broccoli

Red cabbage

Spinach

Lettuce

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in making troll's brain juice?

Boil the cabbage

Slice the cabbage

Freeze the cabbage

Grate the cabbage

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the water when hot water is added to the cabbage?

It turns red

It turns bluish

It turns green

It remains clear

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What color does the troll's brain juice turn when mixed with vinegar?

Blue

Green

Red

Yellow

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which substance remained the same color when mixed with troll's brain juice?

Stain remover powder

Bicarbonate of soda

Baby shampoo

Vinegar

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a yellow color indicate when using troll's brain juice as an indicator?

Weak alkali

Strong alkali

Acid

Neutral

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using troll's brain juice in these experiments?

To cook food

To identify acids and alkalis

To dye clothes

To clean surfaces