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Concepts 1 & 3 Review

Total questions: 70

Worksheet time: 58mins

Name
Class
Date
1.

Which diagram represents an element?

a)

Diagram (a)

b)

Diagram (b)

c)

Diagram (c)

d)

None of the diagrams represent the parts of an element.

2.

Which of the following represents a compound?

a)

Diagram (a)

b)

Diagram (b)

c)

Diagram (c)

d)

All of the diagrams represent the parts of a compound.

3.

Which diagram represents a mixture?

a)

Diagram (a)

b)

Diagram (b)

c)

Diagram (c)

d)

None of the diagrams represent the parts of a mixture.

4.

A substance that consists of just one type of atom.

a)

atom

b)

mixture

c)

element

d)

matter

5.

Anything that has mass and takes up space.

a)

atom

b)

mixture

c)

element

d)

matter

6.

Which item is a pure substance?

a)

aluminum (Al)

b)

apple juice

c)

muddy water

d)

brass

7.

The individual substances that make up a ________are not evenly mixed.

a)

compound

b)

homogeneous mixture

c)

heterogeneous mixture

8.

What type of material is the lemonade in this glass?

a)

Heterogeneous mixture

b)

Homogeneous mixture

c)

Element

d)

Compound

9.

What type of material is pictured?

a)

Element

b)

Compound

c)

Heterogeneous mixture

d)

Homogeneous mixture

10.

What type of material is pictured?

a)

Heterogeneous mixture

b)

Homogeneous mixture

c)

Element

d)

Compound

11.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

12.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

13.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

14.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

15.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

16.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

17.

A combination of substances that can be physically separated from one another

a)

mixtures

b)

compound

c)

element

d)

molecule

18.

A material with a particular chemical makeup

a)

mixture

b)

pure substance

c)

hetogeneous

d)

homogeneous

19.

a substance in which the parts are clearly different shapes and colors; different throughout

a)

mixture

b)

homogeneous

c)

heterogeneous

d)

element

20.

a substance in which all of the parts are the same throughout

a)

homogeneous

b)

element

c)

heterogeneous

d)

pure substance

21.

A characteristic that can be observed (intensive), such as texture, color, odor, melting point, boiling point, density, or measured (extensive) such as mass, length, volume, that is used to describe matter and can be observed or measured without changing its composition

a)

physical property

b)

element

c)

pure substance

d)

chemical property

22.

A characteristic of a substance that is measurable or observable during a chemical reaction; includes pH, heat of combustion, reactivity, etc.

a)

physica property

b)

chemical property

c)

compound

d)

mixture

23.

A characteristic of a substance that is measurable or observable during a chemical reaction; includes pH, heat of combustion, reactivity, etc.

a)

physica property

b)

chemical property

c)

compound

d)

mixture

24.

The ability of a substance to be dissolved in a liquid

a)

dissolvent

b)

solubility

c)

combustion

d)

disappearing

25.

The variable that is changed on purpose in an investigation is called the ...

a)
Constant
b)
Control
c)
Independent Variable
d)
Dependent Variable
26.

The variable that is being tested, counted, or measured and is what you look at the end of an investigation is called ...

a)
Control
b)
Constant
c)
Independent Variable
d)
Dependent Variable
27.

A variable that is used for comparison, does not get any change, and there can be many of these variables in an investigation.

a)
Constant
b)
Control
c)
Independent Variable
d)
Dependent Variable
28.

Angel wants to know if the type of soap has an effect on how clean her clothes get. What is the independent variable?

a)

type of soap

b)

how long the laundry takes

29.
Which brand of paper towel will absorb the most liquid? What is the dependent variable?
a)
brand of paper towel
b)
amount of water absorbed
30.
Which brand of paper towel will absorb the most liquid? What is the independent variable?
a)
Brand of paper towel
b)
Amount of water absorbed
31.

Zach wants to determine if the amount of time spent on social media has an effect of grades. What is the independent variable?

a)

time on social media

b)

computer skills

32.

Zach wants to determine if the amount of time spent on social media has an effect of grades. What is the dependent variable?

a)

popularity

b)

grades

33.

Maddie wants to determine if the weight of the dog will determine the number of puppies in a litter. What is the independent variable?

a)

weight of dog

b)

number of puppies

34.

Maddies wants to determine if the weight of the dog will determine the number of puppies in a litter. What is the dependent variable?

a)

type of dog

b)

number of puppies

35.

Beth wants to know if increasing her exercise will decrease the time it takes her to run a mile. What is the independent variable?

a)

distance

b)

amount of exercise

36.

Beth wants to know if increasing her exercise will decrease the time it takes her to run a mile. What is the dependent variable?

a)

time to run a mile

b)

amount of exercise

37.
The summary at the end of an experiment that explains the results is... 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
38.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
39.

The information you collect while doing your experiment is called

a)

conclusions

b)

data

c)

hypotheses

d)

procedures

40.

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

a)

independent variable

b)

dependent variable

c)

control variable

41.
If I study for my scientific method test, then I will have a better test score. What is the dependent variable?
a)
Scientific Method
b)
Studying
c)
Independent variable
d)
Test score
42.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
43.

This bullseye demonstrates...

a)

High Accuracy & High Precision

b)

High Accuracy & Low Precision

c)

Low Accuracy & High Precision

d)

Low Accuracy & Low Precision

44.

Describe the accuracy and precision of the image

a)

Very accurate and somewhat precise

b)

Very accurate but not precise at all

c)

Not accurate at all but very precise

d)

not accurate and not very precise

45.

32℉ is What in Celsius?

a)

32℉

b)

32℃

c)

57℃

d)

0℃

46.

133℉ is what in Celsius?

a)

57℃

b)

113℃

c)

45℃

d)

0℃

47.

140℉ is what in Fahrenheit?

a)

60℃

b)

140℉

c)

10℃

d)

4.44℃

48.

40°C=?40\degree C=?  

a)

104 F 

b)

100 F 

c)

130 F 

d)

96 F 

49.
How many significant figures: 2016 m
a)
1
b)
2
c)
3
d)
4
50.
How many significant figures: 153.0 mL
a)
1
b)
2
c)
3
d)
4
51.
How many significant figures: 0.012 km
a)
1
b)
2
c)
3
d)
4
52.
How many significant figures: 1000 mL
a)
1
b)
2
c)
3
d)
4
53.
How many significant figures: 100.000 cL
a)
1
b)
3
c)
5
d)
6
54.
How many significant figures: 0.001 g
a)
4
b)
3
c)
2
d)
1
55.
How many significant figures: 4.20 cm
a)
1
b)
2
c)
3
d)
4
56.
__________ are made up of solutes and solvents.
a)
Solutions
b)
Suspensions
c)
Heterogeneous Mixtures
d)
Pure Substances
57.
If I dissolve sugar in water, what is the solute?
a)
Water
b)
Hydrogen
c)
Sugar
d)
Carbon
58.
What is able to dissolve other substances?
a)
Solute
b)
Salt
c)
Suspension
d)
Solvent
59.
All mixtures are defined as "heterogeneous." 
a)
TRUE
b)
FALSE
60.
Which of these is not a mixture? 
a)
oil and water
b)
sand and soda
c)
diet soda
d)
all are mixtures
61.

All alloys are mixtures.

a)

True

b)

False

62.

Mixtures that do NOT behave as a pure substance have a melting range, not a melting point.

a)

True

b)

False

63.

A combination of substances that can be physically separated from one another

a)

mixtures

b)

compound

c)

element

d)

molecule

64.

A material with a particular chemical makeup

a)

mixture

b)

pure substance

c)

hetogeneous

d)

homogeneous

65.

a substance in which the parts are clearly different shapes and colors; different throughout

a)

mixture

b)

homogeneous

c)

heterogeneous

d)

element

66.

a substance in which all of the parts are the same throughout

a)

homogeneous

b)

element

c)

heterogeneous

d)

pure substance

67.

A characteristic that can be observed (intensive), such as texture, color, odor, melting point, boiling point, density, or measured (extensive) such as mass, length, volume, that is used to describe matter and can be observed or measured without changing its composition

a)

physical property

b)

element

c)

pure substance

d)

chemical property

68.

A characteristic of a substance that is measurable or observable during a chemical reaction; includes pH, heat of combustion, reactivity, etc.

a)

physica property

b)

chemical property

c)

compound

d)

mixture

69.

A substance that can be dissolved by a solvent to create a solution.

a)

solvent

b)

solute

c)

solution

d)

mixture

70.

The ability of a substance to be dissolved in a liquid

a)

dissolvent

b)

solubility

c)

combustion

d)

disappearing

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