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Flashcards in Honors Chemistry - Midterm REVIEW Deck (101)
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List the steps of the scientific method (there are 8)

Objective
Research (background)
Hypothesis
Procedure
Data
Analysis
Conclusion
Communicate Results (discuss)

1

What is chemistry?

A study of the materials in the universe and the changes they undergo

2

What are the two types of observations

Qualitative Observations
Quantitative Observations

3

Qualitative Observation ex:

blue liquid, viscus liquid

4

Quantitative Observation ex:

crystals - 2.02g

5

The state of matter for an object that has neither definite shape nor definite volume

gaseous

6

The state of matter for an object that has a definite volume but not a definite shape

liquid

7

The state of matter for an object that has both definite volume and definite shape is

solid

8

Anything that has mass and volume is called

matter

9

cooking an egg

chemical change

10

boiling water

physical change

11

ironing a shirt

physical change

12

burning gasoline

chemical change

13

decomposing water

chemical change

14

evaporating alcohol

physical change

15

sanding a table top

physical change

16

grinding grain

physical change

17

fermenting fruit juice

chemical change

18

dissolving sugar in water

physical change

19

cooking an egg involves...

a chemical change

20

evaporating water is a...

physical change

21

Helium is very nonreactive

chemical property

22

boiling water involves...

no chemical change

23

sugar dissolves in coffee is a...

physical change

24

a "tin" can rusts is a...

chemical change

25

digesting pizza

chemical change

26

In a chemical change,

the products are different substances from the starting materials

27

baking a cake

chemical change

28

lighting a match

chemical change

29

driving a car

chemical change