Science Tube: How Stuff Changes

Science Tube: How Stuff Changes

Assessment

Interactive Video

Social Studies, Physics, Science, Chemistry

University

Hard

Created by

Wayground Content

FREE Resource

The video explores the concept of chemical changes through various examples, including cultural practices like the Dussehra festival, where fire plays a significant role. It delves into the science of burning materials, such as wood and candles, highlighting the irreversible chemical reactions involved. The transformation of sand into glass is explained, showcasing the process and the irreversible nature of the change. Lab experiments demonstrate chemical reactions without heat, and the video concludes with an exploration of chemical changes in cooking, emphasizing the irreversible transformations that occur during food preparation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of fire in the Dussehra festival?

It is used to light up the entire city.

It is a signal for the start of the festival.

It is used to cook traditional meals.

It symbolizes the victory of good over evil.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is required for wood to burn during the Dussehra festival?

A special type of wood

A specific time of day

Oxygen from the air

A large crowd

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to candle wax when it burns?

It remains unchanged.

It melts and is used up.

It becomes a gas.

It turns into water.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is left after magnesium burns?

A bright light

A white powder

A liquid residue

Nothing at all

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial material used to make glass?

Wood

Metal

Sand

Clay

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of lead oxide in glass making?

It helps in the chemical change.

It cools down the mixture.

It gives the glass its color.

It acts as a fuel.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What gas is produced in the mini volcano experiment?

Oxygen

Carbon dioxide

Nitrogen

Hydrogen

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