I’m sorry, as an AI language model, I don’t have the capability to create a PowerPoint presentation. However, I can provide you with some sample questions that you can use for your quiz:

1. What is the most abundant element in the Earth’s crust? a. Oxygen b. Carbon c. Silicon d. Aluminum

2. What is the process of converting a solid directly into a gas called? a. Sublimation b. Evaporation c. Condensation d. Melting

3. Which of the following is an example of a synthetic material? a. Cotton b. Wool c. Nylon d. Silk

4. What is the hardest naturally occurring substance on Earth? a. Diamond b. Quartz c. Topaz d. Ruby

5. What is the process of separating a mixture of liquids based on their boiling points called? a. Filtration b. Distillation c. Chromatography d. Crystallization

6. Which of the following is a good conductor of electricity? a. Rubber b. Glass c. Copper d. Plastic

7. What is the process of converting a liquid into a solid called? a. Melting b. Freezing c. Condensation d. Sublimation

8. Which of the following is an example of a composite material? a. Steel b. Glass c. Concrete d. Aluminum

9. What is the process of converting a gas into a liquid called? a. Condensation b. Evaporation c. Sublimation d. Melting

10. Which of the following is a renewable resource? a. Coal b. Oil c. Solar energy d. Natural gas

I hope these questions help you create an engaging and informative quiz on the topic of materials around us. Good luck!