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1. Weight or Mass. Which of the following measurements would be affected by altitude?. Weight or Mass. Which of the following measurements would be affected by altitude?. Weight is affected by gravity, mass is not. 2. Which of the following would not be considered matter:. A. atoms

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slide1

1

Weight or Mass

Which of the following measurements would be affected by altitude?

slide2

Weight or Mass

Which of the following measurements would be affected by altitude?

Weight is affected by gravity, mass is not

which of the following would not be considered matter1
Which of the following would not be considered matter:

A. atoms

B. heat

C. alloys

D. pudding

Heat does not have mass or take up space. It is a form of energy.

slide5

3

After extensive experimentation what end result of the scientific method offers an explanation of what occurs in nature.

A Law or a Theory

slide6
After extensive experimentation what end result of the scientific method offers an explanation of what occurs in nature.

A Law or a Theory

Theories explain while law merely state what occurs

which of the following properties couldn t you describe quantitatively

4

Which of the following properties couldn’t you describe quantitatively:

Temperature

Time

Pressure

Color

which of the following properties couldn t you describe quantitatively1
Which of the following properties couldn’t you describe quantitatively:

Temperature

Time

Pressure

Color

Numbers are not used to describe color.

what type of matter does jello represent

5

What type of matter does jello represent:

a. element

b. compound

c. heterogeneous mixture

d. homogeneous mixture

what type of matter does jello represent1
What type of matter does jello represent:

a. element

b. compound

c. heterogeneous mixture

d. homogeneous mixture

When you look at a homogeneous mixture, you only see one thing even though there are several components to the mixture

what type of matter does copper ii chloride cucl 2 represent

6

What type of matter does Copper II chloride (CuCl2) represent:

a. element

b. compound

c. heterogeneous mixture

d. homogeneous mixture

what type of matter does copper ii chloride cucl 2 represent1
What type of matter does Copper II chloride (CuCl2) represent:

a. element

b. compound

c. heterogeneous mixture

d. homogeneous mixture

Compounds, by definition, must contain two or more different elements.

what type of matter does this granite represent

7

What type of matter does this granite represent:

a. element

b. compound

c. heterogeneous mixture

d. homogeneous mixture

what type of matter does this granite represent1
What type of matter does this granite represent:

a. element

b. compound

c. heterogeneous mixture

d. homogeneous mixture

More than one component of a heterogeneous mixture is visible.

slide15

8

Oskar went into the grocery store in June (2011) and saw a shelf piled high with boxes of candy canes that are on sale. Oskar thinks that this is strange and assumes that they are left over from last winter. He grabs one of the boxes and examines it for a sell by date. The date on the box is 11/2011.

What is Oskar’s Hypothesis?

slide16

Oskar went into the grocery store in June (2011) and saw a shelf piled high with boxes of candy canes that are on sale. Oskar thinks that this is strange and assumes that they are left over from last winter. He grabs one of the boxes and examines it for a sell by date. The date on the box is 11/2011.

What is Oskar’s Hypothesis?

The candy canes are left over from last year and outdated

Oskar’s hypothesis was refuted (not supported) by the date on the boxes.

slide17

9

The observation of this property of matter is always accompanied by a change in the composition of matter?

Physical or Chemical

slide18

The observation of this property of matter is always accompanied by a change in the composition of matter?

Physical or Chemical

The composition of matter does not change in a physical change.

slide19

10

What type of change is represented by the freezing of water to form ice?

Physical or Chemical

slide20

What type of change is represented by the freezing of water to form ice?

Physical or Chemical

When water freezes there is no change in the composition (what it is made of). Liquid water and ice are both made of H20.

slide21

11

What are the three states of matter?

which of the following is not a physical property

12

Which of the following is not a physical property?

Temperature

Ability to dissolve

Color

Ability to rust

which of the following is not a physical property1
Which of the following is not a physical property?

Temperature

Ability to dissolve

Color

Ability to rust

In order to see rust, a change in the composition of the original material must occur. Rust: O

slide27

14

Which of the following types of matter can be separated by physical change?

Elements

Compounds

Mixtures

slide28

Which of the following types of matter can be separated by physical change?

Elements

Compounds

Mixtures

a solution is another name for

15

A solution is another name for:

element

compound

homogeneous mixture

heterogeneous mixture

a solution is another name for1
A solution is another name for:

element

compound

homogeneous mixture

heterogeneous mixture

what type of matter is oxygen o 2

16

What type of matter is oxygen (O2)?

element

compound

homogeneous mixture

heterogeneous mixture

what type of matter is oxygen o 21
What type of matter is oxygen (O2)?

element

compound

homogeneous mixture

heterogeneous mixture

s not contain two or more different elements

slide33

17

What separation technique would be used to separate a heterogeneous mixture containing a solid and a liquid?

distillation

chromatography

filtration

crystallization

slide34

What separation technique would be used to separate a heterogeneous mixture containing a solid and a liquid?

distillation

chromatography

filtration

crystallization

slide35

18

What separation technique would be used to separate a homogeneous mixture containing a solid and a liquid?

distillation

chromatography

filtration

crystallization

slide36

What separtation technique would be used to separate a homogeneous mixture containing a solid and a liquid?

distillation

chromatography

filtration

crystallization

.

slide37

19

What technique uses the physical property of boiling point to separate components of a mixture?

distillation

chromatography

filtration

crystallization

slide38

What technique uses the physical property of boiling point to separate components of a mixture?

distillation

chromatography

filtration

crystallization

. Substances with lower boiling points

Will vaporize first and the gas can be condensed back to

A liquid.

slide39

20

What type of reaction is associated with the absorption of energy?

Exothermic or Endothermic

slide41

21

According to the Law of Conservation of Mass, what must the mass of CO2 be in the following equation?

C6H12O6+ 6O2 6CO2 + 6H2O

54g + 98g =__99_ + 53g

slide42

According to the Law of Conservation of Mass, what must the mass of CO2 be in the following equation?

C6H12O6+ 6O2 6CO2 + 6H2O

54g + 98g = _99g_ + 53g

slide43

22

Which of the following is not an indication of a chemical change?

formation of a gas

change in color

formation of a precipitate

melting

slide44

Which of the following is not an indication of a chemical change?

formation of a gas

change in color

formation of a precipitate

melting

solve the following word problem

24

Solve the following word problem:

What is the volume of a 5 pound (2270 g) gummy bear if its density is 1.56 g/ml?

solve the following word problem1
Solve the following word problem:

What is the volume of a 5 pound (2270 g) gummy bear if its density is 1.56 g/ml?