U2L5 – Pure Substances and Mixtures Digital Lesson Name_______________________________________________ Slide 1 – Vocabulary 1. List the vocabulary terms for this lesson: Slide 3 – How particles combine Matching A. Atom B. Element C. Compound D. Mixture E. Pure Substances 1. Two or more elements chemically bonded together. 2. Substance joined physically and not chemically. 3. Smallest particle of an element that still retains properties of that element. 4. Made up of single elements or compounds that cannot be separated physically. 5. Made of one kind of atom which will have the same properties. Slide 4 – Pure Substances 2. The periodic table lists ALL of the known __________________________. 3. Two examples are ____________________ and ___________________ which are both _______________. 4. When combined the elements hydrogen and oxygen form a ________________________ we call water. 5. A compound is a __________________ substance and cannot be broken down using ______________________ changes. 6. Compounds can only be broken down by ________________ changes. Slide 5 – Mixtures 7. Mixtures are elements or compounds combined: physically or chemically. (Circle the correct one) 8. Mixtures can be described as _______________________ or _______________________. 9. Complete the Venn diagram for mixtures. Homogeneous Heterogeneous U2L5 – Pure Substances and Mixtures Digital Lesson Name_______________________________________________ Slide 6 – Mixtures for lunch 10. Different types of mixtures include ___________________________, __________________________, and _______________________________. 11. Some salad dressings are _____________________ because some particles settle out due to _________________________. This is an example of a _______________________ mixture. 12. Orange juice is an example of a __________________ because one substance _________________in another solution and does not settle out. 13. Gelatin and whipped cream are examples of ________________________. Particles in a colloid are ____________________ than those in a suspension. 14. Create your own example of a: a. Solution ______________________________________ b. Suspension ____________________________________ c. Colloid________________________________________ Slide 7 – Pure substances 15. Which are pure substances? ______________________________________________________________________________ Slide 8 – Mix and Match 16. List the types of mixtures (two in each category). a. Solution _____________________ and ________________________________ b. Colloid _____________________ and _________________________________ c. Suspension_____________________ and ________________________________ Slide 9 – Write 17. How is a compound formed differently than a mixture, and how can each be broken down into their original substances? ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ Slide 10 – Review 18. Write the summary points below.