Flame Experiments and Light Properties

Flame Experiments and Light Properties

Assessment

Interactive Video

Chemistry

6th - 8th Grade

Hard

Created by

Patricia Brown

FREE Resource

Craig Beals conducts a series of experiments to change flame colors using different salts and methanol. He explains the science behind flame tests and the safety precautions necessary when using volatile substances like methanol. The video also explores creating explosive balloons with hydrogen to produce colored fireballs. Despite challenges, the experiments aim to demonstrate the principles of chemistry and encourage continuous learning.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main goal of the fire experiment introduced by Craig Beals?

To extinguish a fire using different methods

To demonstrate the dangers of fire

To change the color of a flame and create explosive balloons

To create a large fireball

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a flame test in chemistry?

To identify elements based on the color of light they emit

To measure the temperature of a flame

To test the flammability of different materials

To determine the size of a flame

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is methanol considered dangerous in flame experiments?

It produces toxic fumes

It is non-flammable

Its vapors ignite very easily

It is too expensive

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to electrons in compounds when they are heated in a flame?

They disappear

They change into protons

They move to a lower energy level

They jump to a higher energy level and then fall back

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of hydrogen gas in the flame color experiment?

It cools down the flame

It is used to change the color of the flame

It is used to create a larger flame

It is used to extinguish the flame

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the challenge faced when trying to create a rainbow explosion with balloons?

The balloons may not combust simultaneously

The colors do not mix well

The balloons are too small

The balloons are too heavy

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expected result when all colors of light are combined?

Blue light

Black light

White light

Red light

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