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Indicator Color Changes in Water Experiment

Indicator Color Changes in Water Experiment

Assessment

Interactive Video

Biology, Science, Chemistry

6th - 8th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial discusses photosynthesis and cell respiration, focusing on key ingredients like oxygen, carbon dioxide, glucose, ATP, and water. An experiment is conducted using water with an indicator to observe changes when carbon dioxide is added by exhaling into the water. The indicator changes color from blue to green and then yellow, demonstrating the presence of carbon dioxide. The experiment concludes with a comparison of results among the participants.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the main components involved in photosynthesis and cell respiration?

Oxygen, carbon dioxide, glucose, ATP, and water

Nitrogen, hydrogen, glucose, ATP, and water

Carbon dioxide, hydrogen, glucose, ATP, and water

Oxygen, nitrogen, glucose, ATP, and water

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of adding an indicator to the water in the experiment?

To measure the temperature of the water

To detect the presence of oxygen and carbon dioxide

To change the color of the water for aesthetic purposes

To increase the water's pH level

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the blue color of the indicator initially signify?

Neutral pH

Presence of glucose

High levels of carbon dioxide

High levels of oxygen

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the indicator when carbon dioxide is added to the water?

It turns green and then yellow

It remains blue

It turns red

It becomes transparent

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main activity the teachers are performing in the experiment?

Measuring the temperature of the water

Adding carbon dioxide to the water by exhaling

Observing the water under a microscope

Mixing different chemicals in the water

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of the experiment conducted by the teachers?

To observe the effects of light on water

To show how respiration adds carbon dioxide to water

To measure the water's temperature

To demonstrate the process of photosynthesis

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the color change in the experiment?

It shows the amount of carbon dioxide added

It measures the water's acidity

It indicates the presence of glucose

It reflects the water's temperature

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