Cellular Respiration Demo using Gummy Bears :)

Cellular Respiration Demo using Gummy Bears :)

Assessment

Interactive Video

Biology, Chemistry, Science

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial demonstrates an experiment involving potassium chlorate and gummy bears or sharks. It explains the properties of potassium chlorate, its reaction with organic materials, and the energy release process. The experiment setup is detailed, followed by conducting the experiment and observing the results. The tutorial concludes with a discussion on the observations and the chemical reactions involved.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does potassium chlorate produce when it breaks down?

Magnesium sulfate and nitrogen

Sodium chloride and hydrogen

Potassium chloride and oxygen

Calcium carbonate and water

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What organic materials are mentioned as reacting with potassium chlorate?

Salt, vinegar, baking soda, flour

Water, oil, sand, clay

Metal, glass, plastic, rubber

Sugar, protein, leather, wood

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using gummy bears or sharks in the experiment?

To observe the reaction with an organic material

To determine the boiling point of water

To measure the melting point of potassium chlorate

To test the solubility of potassium chloride

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is observed when potassium chlorate is melted?

It becomes a red powder

It turns into a blue gas

It dissolves in water

It changes from a white solid to a grayish liquid

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the white substance formed at the top during the reaction?

Potassium chloride

Magnesium oxide

Sodium bicarbonate

Calcium sulfate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why was there soot observed in the experiment?

The potassium chlorate was impure

The reaction was too slow

The gummy shark was too small

There wasn't enough oxygen for complete combustion

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How could the reaction be improved according to the discussion?

By using smaller pieces of the organic material

By increasing the amount of potassium chlorate

By adding more water

By lowering the temperature