Pure Substances vs. Mixtures
Explore the differences between pure substances and mixtures with this engaging Grade 4 science worksheet.
Includes
Standards
Pure Substances vs. Mixtures
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. This worksheet will help you understand the difference between pure substances and mixtures.
1. What is a pure substance? Give one example.
2. What is a mixture? Give one example.
3. Which of the following is a pure substance?
Salad
Water
Trail mix
Sand
4. Which of the following is a mixture?
Gold
Sugar
Saltwater
Oxygen
5. A pure substance can be easily separated into different parts.
True
False
6. A mixture is made of two or more substances that are physically combined.
True
False
7. Air is an example of a because it contains different gases like oxygen and nitrogen.
8. Salt is a because it only contains one type of particle.
9. Imagine you mix sand and water. Is this a pure substance or a mixture? Why?