🧪 Part 1: Understanding Mixtures

1. Which of the following is the best definition of a mixture?

Two or more substances that are chemically combined

Two or more substances that are physically combined but keep their own properties

A single pure substance with no other materials

A substance that has been heated to change its form

2. Which of these are examples of mixtures? (Check all that apply)

Trail mix (nuts, raisins, chocolate chips)

Pure water

Chocolate milk

Salt water

Pure gold

3. What type of mixture is muddy water?

Homogeneous mixture (you cannot see the different parts)

Heterogeneous mixture (you can see the different parts)

It is not a mixture

4. What type of mixture is sugar dissolved in water?

Homogeneous mixture (you cannot see the different parts)

Heterogeneous mixture (you can see the different parts)

It is not a mixture

🔬 Part 2: Separation Methods

5. Fill in the blanks with the correct separation method:

a) To separate sand from water, you would use _______________.

b) To separate salt from water, you would use _______________.

c) To separate iron filings from sand, you would use a _______________.

d) To separate different coloured dyes in ink, you would use _______________.

6. Match each mixture with the best separation method:

Oil and water

Gravel and sand

Paper clips and rice

Salt and pepper

Magnetic separation

Sieving/Screening

Using a magnet

Decanting

7. Explain why evaporation works to separate salt from salt water. What happens to each substance?

🏠 Part 3: Mixtures in Everyday Life

8. List three mixtures you can find in your kitchen and identify whether each is homogeneous or heterogeneous:

9. You have a mixture of small pebbles, sand, salt, and iron filings all mixed together. Describe the steps you would take to separate each component. Put your steps in the correct order:

10. True or False: All mixtures can be separated using physical methods because the substances in a mixture keep their original properties.

True

False

Explain your answer: _________________________________________________

Exploring Mixtures and Separation

Exploring Mixtures and Separation

🧪 Part 1: Understanding Mixtures

🔬 Part 2: Separation Methods

🏠 Part 3: Mixtures in Everyday Life

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