Go to Brainpop.com. Go to Science Movie. Click on “Compounds and Mixtures” Take the quiz and write each correct answer. Watch the movie and fill in the correct terms. Use the pause button frequently to give you time to write as you go.

Brainpop Movie: Compounds and Mixtures

1. With a compound a __________ change takes place and with a mixture a ____________ change takes place.
2. A compound is made when two or more _________ bond together in a ____________ reaction.
3. Two _______ atoms and one ______ atom bond together to form a compound called water.
4. Compounds don’t necessarily look anything like their original _________ .
5. Salt (NaCl) is a compound made from green ___________ gas and a silvery metal called ___________.
6. When two or more elements or compounds are combined without reacting chemically you’ve got a _______________.
7. Each substance in a mixture keeps its own _____________.
8. The substances in a mixture can be separated by _________ means.

(physical or chemical)

9. Salt-water is a _____________________ (heterogenous or homogenous) mixture.
10. Salad dressing is a _________________(heterogenous or homogenous) mixture because the substances are not mixed the same throughout.

Brianpop Quiz: Compounds and Mixtures

1. What are most substances made of?

2. How are compounds created?

3. What is true of a mixture?

It _____________ (does/does not) retain the properties of the substances that make it up.

FACT: SODA IS A MIXTURE OF WATER AND CARBON DIOXIDE GAS

4. What is true of a compound?

It __________ (does/does not) retain the properties of the substances that make it up.

5. Which of these is a compound?

6. Which of these is a mixture (brainpop has the wrong answer)

7. Water is a compound made of:

8. How many elements can bond together to form a compound?

9. What can be separated into its elements fairly easily?

FACT: ABOUT 120 ELEMENTS HAVE BEEN DISCOVERED SO FAR

10. What can we mix together?