🧪 Part 1: Chemical Reactions Basics

1. What is a chemical reaction?

A process where substances change into new substances with different properties

A process where substances mix together but don't change

A process where substances change colour only

A process where substances get hot or cold

2. In a chemical reaction, the substances you start with are called:

Products

Reactants

Elements

Compounds

3. Which of these are everyday examples of chemical reactions? (Check all that apply)

Baking bread

Rusting metal

Melting ice

Burning wood

Digesting food

4. When vinegar and baking soda react, which are the reactants?

Carbon dioxide gas and water

Vinegar and baking soda

Bubbles and fizzing

The container and spoon

✏️ Part 2: Understanding Reactants and Products

5. Complete the following equation by filling in the blanks:

Reactants __________ Products

(Hint: What symbol shows the direction of a chemical reaction?)

6. In the vinegar and baking soda experiment, what evidence showed that a chemical reaction was occurring?

7. Explain why chemical reactions are important in everyday life. Give at least two examples.

8. Think of a chemical reaction that happens in your kitchen at home. Identify the reactants and products:

Chemical reaction: _________________________________

Reactants: _____________________________________

Products: ______________________________________

🔬 Part 3: Observation and Analysis

9. During our class experiment, draw and label what you observed:

Label your drawing with: reactants, products, and any changes you noticed

10. Why is it important to wear safety goggles during chemical reaction experiments?

11. Reflection: How has this lesson changed your understanding of what happens around you every day?

Chemical Reactions Introduction

Chemical Reactions Introduction

🧪 Part 1: Chemical Reactions Basics

✏️ Part 2: Understanding Reactants and Products

🔬 Part 3: Observation and Analysis

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