PHENOMENAL SCIENCE U 8 L2-3

REGISTER

​Date: May 26th, 2025
Session: 118
Purpose: Understand the differences between heating and combustion, the types of combustion, and the chemical changes they cause.

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​STUDENT BOOK

​READ AND ANSWER THE FOLLOWING QUIZIZZ QUESTIONS.

Fill in the Blanks

Dropdown

Heating causes:
1. ​

Select answer

, 2. ​

Select answer

, 3. ​

Select answer

and 4. ​

Select answer

Multiple Choice

Building materials are chosen carefully according to their expansion characteristics because

• to improve insulation properties
• to reduce construction costs
• to enhance aesthetic appeal
• to prevent structural issues due to temperature changes

Dropdown

The opposite of expansion is ​

Select answer

Multiple Choice

Why do particles of a material vibrate when something is heated?

• Heating causes particles to lose their mass.
• Particles of a material vibrate when heated due to increased kinetic energy from thermal energy.
• Particles vibrate due to a lack of energy.
• Particles vibrate only when cooled down.

Now, develop exercises 1 and 2 SB p. 67.
in the copy given to you.

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​STUDENT BOOK

​READ AND ANSWER THE FOLLOWING QUIZIZZ QUESTIONS.

Match

Match words with definitions from the text.

• a chemical reaction between materials exposed to high temperatures

• heat, oxygen, and fuel

• wood, paper, plants, cloth, natural gas, and food.

• new materials are created, which are known as the products.

Combustion

reactants

flammable substance

chemical process of combustion

• Combustion

• reactants

• flammable substance

• chemical process of combustion

Now, develop exercises 3 SB p. 68.
in the copy given to you.

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​STUDENT BOOK

​READ AND ANSWER THE FOLLOWING QUIZIZZ QUESTIONS.

Multiple Choice

How many types of combustion exist?

• Three types of combustion exist.
• Five types of combustion exist.
• Only one type of combustion exists.
• Four types of combustion exist.

Match

Match the types of combustion and their explanations.

• materials burn by contact with oxygen

• the fuel burns slowly at a low temperature without producing any flame.

• the fuel burns in a very short time and gives off a lot of heat and light.

• the fuel bursts suddenly, producing lots of heat and sound.

spontaneous combustion

slow combustion

In rapid combustion

explosive combustion

• spontaneous combustion

• slow combustion

• In rapid combustion

• explosive combustion

Now, develop exercises 5-6 SB p. 69.
in the copy given to you.

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​STUDENT BOOK

​READ AND ANSWER THE FOLLOWING QUIZIZZ QUESTIONS.

Multiple Choice

Ripping a piece of paper is an example of

• Physical Change

• Chemical Change

Multiple Choice

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Multiple Choice

Did a chemical change take place?

• yes

• no

Multiple Choice

A copper penny turning greenish after a few years is an example of ...

• Chemical Change
• Physical Change

Multiple Choice

Bubbles form when two or more substances are combined ...

• Chemical Change
• Physical Change

Multiple Choice

Physical or Chemical Change?  Iron rusts

• Physical Change
• Chemical Change

Multiple Choice

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Multiple Choice

Wood burned in a fireplace

• Chemical Change
• Physical Change

Multiple Select

What form of energy is being CREATED here? There is more than one answer!

• Electrical

• Thermal

• Radiant (Light)

• Mechanical

Now, develop exercise 1 SB p. 70.
in the copy given to you.

Replace this with your body text.

​Duplicate this text as many times as you would like.

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​Barilatti!
Hosts the games sent to his email!