Test on Friday Oct. 8

Test Review

Two liquids are poured together

Is this a physical or chemical change and why?

Two liquids are poured together

Is this a physical or chemical change and why?

Chemical two clear liquids should not make a yellow liquid, unexpected color change.

A nail is left outside for two weeks

Is this a physical or chemical change and why?

A nail is left outside for two weeks

Is this a physical or chemical change and why?

The nail is iron, when left outside a chemical change occurs and iron oxide occurs.

Creating a volcanoIs this a physical or

chemical change and why?

Creating a volcanoIs this a physical or

chemical change and why?

This is a chemical change, baking soda and vinegar produces a gas.

The snow flake labIs this a physical or

chemical change and why?

This is a chemical change, two clear liquids mixed form a white precipitate.

Chemical changes form a new substance.List 3 chemical

change

Chemical changes form a new substance.List 3 chemical

changeThe statue of

liberty turning green.

Silver rustingA match burning

Physical changes do not result in the formation of something new.List 3 physical

changes

Physical changes do not result in the formation of something new.List 3 physical

changesIce meltingBending a

paperclipMaking salt water

Heating a sugar cube.What is the best

evidence that the sugar has been chemically changed?

Heating a sugar cube.What is the best

evidence that the sugar has been chemically changed?

It turned black when it was burned.

Ways to know that something has been chemically changed.List 5 ways you

know a chemical change has occurred.

Ways to know that something has been chemically changed.List 5 ways you

know a chemical change has occurred.

Not easily reversed.

Production of gas.Change in

temperature.Formation of a

precipitate.Unexpected color

change.

Exciting EggsWhat ways can you

chemically change an egg?

Exciting EggsWhat ways can you

chemically change an egg?

Boil it.Fry it.Bake it.

Plants and chemical change.What is the most

prominent evidence that plants are capable of chemical changes.

Plants and chemical change.What is the most

prominent evidence that plants are capable of chemical changes.

Plants change sunlight into sugar.

Chemical change in the kitchenList some chemical

changes that go on in the kitchen.

Chemical change in the kitchenList some chemical

changes that go on in the kitchen.

Baking a cake.Baking bread.Digesting your

food.

More physical changes.Joe got up late one

morning only to find the dog had shredded his homework. He went to check and see if the clothes he hung up last night were dry only to find they were still wet. Running late and dressed like a goof, he went out to get in his car only to find he had a flat tire.

Are the changes in red physical or chemical changes.

Shredded homework.

Clothes drying.Flat tire.

More physical changes.Joe got up late one

morning only to find the dog had shredded his homework. He went to check and see if the clothes he hung up last night were dry only to find they were still wet. Running late and dressed like a goof, he went out to get in his car only to find he had a flat tire.

Are the changes in red physical or chemical changes.

Shredded homework. Physical

Clothes drying. Physical

Flat tire. Physical

Reviewing CCAP 1

6.5 A2. Which element is not part of the

compound Al2(CO3)3? A. AlB. CoC. CD. O

Reviewing CCAP 1

6.5 A3. How many elements are in the

compound HNO3? A. one

B. twoC. threeD. five

Reviewing CCAP 1

6.5 A9. Which graph best shows the

composition (make up) of the atmosphere?

Reviewing CCAP 1

 6.5C11. When two substances react and

chemically bond (combine) a new substance is formed. This new substance is a(n) —          A.  element          B.  mixture          C.  solution          D.  compound

Reviewing CCAP 1

6.5C14. Which of the figures above represent a

pure element? A. A B. B C. C D. none of the above