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Chapter 1 Test:  Matter

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
One example of a physical change is
a.
burning paper.
b.
baking cookies.
c.
the rusting of iron.
d.
mixing a milkshake.
 

 2. 
One example of a chemical change is
a.
cutting up paper.
b.
burning gasoline in an engine.
c.
boiling water.
d.
crushing a can.
 

 3. 
All of the following are examples of properties EXCEPT
a.
hardness.
b.
color.
c.
symbols.
d.
flammability.
 

 4. 
Which type of matter consists of two or more substances that are NOT chemically combined?
a.
elements
b.
compounds
c.
mixtures
d.
atoms
 

 5. 
Substances that CANNOT be broken down chemically into other substances are
a.
elements.
b.
compounds.
c.
mixtures.
d.
liquids.
 

 6. 
In chemistry, elements are represented in a simple written way by
a.
symbols.
b.
formulas.
c.
building blocks.
d.
ratios.
 

 7. 
The measurement of the force of gravity on an object is the object’s
a.
mass.
b.
volume.
c.
weight.
d.
density.
 

 8. 
The measurement of how much matter an object contains is its
a.
volume.
b.
weight.
c.
mass.
d.
density.
 

 9. 
An SI (metric) unit for mass is the
a.
ounce.
b.
pound.
c.
kilogram.
d.
liter.
 

 10. 
The measurement of the amount of mass contained in a given volume is called
a.
weight.
b.
kilogram.
c.
liter.
d.
density.
 

 11. 
How would you calculate the density of an object?
a.
Divide its weight by its volume.
b.
Divide its mass by its volume.
c.
Multiply its volume times its mass.
d.
Multiply its weight times its mass.
 

 12. 
The density of a block of wood with a volume of 50 cubic centimeters and a mass of 100 grams is   (You may use computer’s built in “Calculator” program found in Applications folder)
a.
2 g/cm3.
b.
0.5 g/cm3.
c.
500 g/cm3.
d.
5,000 g/cm3.
 

 13. 
All elements are composed of extremely small particles called
a.
compounds.
b.
mixtures.
c.
atoms.
d.
molecules.
 

 14. 
A group of atoms that are bonded together is called a(n)
a.
element.
b.
gram.
c.
molecule.
d.
mixture.
 

 15. 
What holds atoms together in a molecule?
a.
density
b.
gravity
c.
temperature
d.
chemical bonds
 

 16. 
A ___________ of water (H2O) is made up of the ____________ hydrogen and oxygen in a ratio of ____________.
a.
compound,  elements,  1:2
b.
mixture,   bonds,  2:1
c.
molecule,  elements, 2:1
d.
bond, atoms, 2:1
 

 17. 
Liquid water changing to water vapor is an example of what kind of change?
a.
Physical Change
b.
Chemical Change
c.
Nuclear Change
d.
Spare Change
 

 18. 
Which of these substances, with their densities listed, would sink to the bottom of the rest in the list?
a.
Substance A ( 0.45 g/cm3)
b.
Substance B  (0.98 g/cm3)
c.
Substance C (0.52 g/cm3)
d.
Substance D (0.193 g/cm3)
 

 19. 
Which skill are you using if you identify a trend or pattern seen in a graph?
a.
posing questions
b.
inferring
c.
developing hypotheses
d.
interpreting data
 

 20. 
Which skill are you using when you use your five senses to gather information?
a.
posing questions
b.
observing
c.
developing hypotheses
d.
designing experiments
 

 21. 
What characteristic must be true of a good hypothesis?
a.
It must be correct.
b.
It must have been observed many times.
c.
It must involve quantitative data.
d.
It must be testable by observation or experiment.
 

 22. 
In an experiment, the variable that changes as a result of changes in the manipulated variable is the
a.
hypothesis.
b.
controlled variable.
c.
responding variable.
d.
inferred variable.
 

 23. 
In a controlled experiment, a scientist is studying how long it takes parachutes of different sizes to fall to the ground. What is the manipulated variable?
a.
the size of the parachute
b.
the height from which the parachute is dropped
c.
the size of the object carried by the parachute
d.
the time it takes for the parachute to drop
 

 24. 
An example of a qualitative observation is
a.
25°C.
b.
5 km/h.
c.
green.
d.
2.7 g.
 

 25. 
What physical property describes the amount of matter in an object?
a.
volume
b.
mass
c.
density
d.
temperature
 

 26. 
What physical property describes the amount of space occupied by an object?
a.
temperature
b.
density
c.
volume
d.
phase
 
 
Use the picture below to answer the following question(s).
nar001-1.jpg
 

 27. 
Study the graduated cylinder. What volume of liquid, in milliliters, is being held by this instrument?
a.
15.0
b.
20.0
c.
17.5
d.
22.5
 

 28. 
Study the graduated cylinder shown above. What unit of measure applies to this instrument?
a.
kilogram
b.
Newton
c.
meter
d.
milliliter
 

 29. 
Study the image above. What is the name of this instrument?
a.
thermometer
b.
balance
c.
graduated cylinder
d.
scale
 

 30. 
Study the image of the graduated cylinder above. What property of an object does this instrument measure?
a.
mass
b.
volume
c.
length
d.
temperature
 
 
The chart below shows the density, in grams per cubic centimeter, of some elements at 20°C.
Density of Elements at 20°C
Element
Density (g/cm3)
Aluminum (Al)
2.7
Copper (Cu)
8.9
Gold (Au)
19.3
Iron (Fe)
7.9
Lead (Pb)
11.3
Mercury (Hg)
13.6
 

 31. 
Based on the chart above, which element has particles that are packed most closely together at this temperature?
a.
iron (Fe)
b.
aluminum (Al)
c.
gold (Au)
d.
lead (Pb)
 
 
Jason records properties of cubes made of different materials. His data is shown in the chart below.
Observations
Material
Shape
Density (g/cm3)
Length (cm)
Width (cm)
Height (cm)
Aluminum (Al)
cube
2.7
3
3
3
Copper (Cu)
cube
8.9
3
3
3
 

 32. 
Based on the data in the chart above, which statement about these two cubes is TRUE?
a.
These cubes are equal in density.
b.
These cubes are equal in mass.
c.
These cubes are equal in volume.
d.
These cubes have the same shape but different volumes.
 

 33. 
Which is an example of a chemical change?
a.
rubbing alcohol evaporating from an open bottle
b.
water freezing on the surface of a pond
c.
digestion of food
d.
melting snow
 

 34. 
Eva toasts a marshmallow over a fire. Which of these is not evidence that a chemical change has occurred?
mc034-1.jpg
a.
The outside of the marshmallow turns black.
b.
A new substance with new properties is created on the outside of the marshmallow.
c.
The interior of the marshmallow melts.
d.
The marshmallow gives off an odor.
 
 
Jason follows the steps below to make banana bread.
Making Banana Bread
1. Sift flour to separate lumps.
2. Mix flour, water, oil, and sugar.
3. Melt butter.
4. Stir butter into mixture.
5. Slice and mash bananas.
6. Stir bananas into mixture.
7. Pour mixture into greased pan.
8. Bake in oven.
 

 35. 
Study the directions in the chart above. Mashing bananas results in ____.
a.
a physical change
b.
an endothermic reaction
c.
a chemical change
d.
an exothermic reaction
 

 36. 
Study the directions in the chart above. Mixing the flour, water, oil, and sugar results in ____.
a.
a chemical change
b.
an exothermic reaction
c.
a physical change
d.
an endothermic reaction
 

 37. 
Study the directions in the chart above. Slicing bananas results in ____.
a.
an exothermic reaction
b.
an endothermic reaction
c.
a chemical change
d.
a physical change
 

 38. 
Study the directions in the chart above. Melting the butter results in ____.
a.
an endothermic reaction
b.
an exothermic reaction
c.
a physical change
d.
a chemical change
 

 39. 
Study the directions in the chart above. Baking the bread in the oven causes ____.
a.
physical changes only
b.
no changes in the combined substances
c.
a nuclear reaction
d.
a chemical change
 
 
Jordan follows the steps below to build a fire.
Building a Fire
1. Split large logs into smaller pieces.
2. Gather and break twigs into smaller pieces.
3. Put wood in fireplace mixing logs and twigs.
4. Crush newspaper sheets into small balls.
5. Stuff newspaper between wood pieces.
6. Strike match and light newspaper.
7. Newspaper burns, then wood begins to burn.
 

 40. 
Study the steps in the chart above. Breaking twigs into smaller pieces results in a ____.
a.
nuclear reaction
b.
chemical change
c.
catalyzed reaction
d.
physical change
 

 41. 
Study the steps in the chart above. Burning the newspaper results in a ____.
a.
catalyzed reaction
b.
nuclear reaction
c.
chemical change
d.
physical change
 

Multiple Response
Identify one or more choices that best complete the statement or answer the question.
 

 42. 
Which of the following are examples of Chemical Changes (Choose ALL correct answers)
 a.
burning gasoline in an engine
 b.
cutting a piece of wood
 c.
an ice cube melting
 d.
vinegar mixing with baking soda
 e.
adding salt to water
 f.
a rusting piece of iron
 g.
a log burning in a fire
 h.
poking a hole in a tin can
 

 43. 
Which of the following is/are chemical symbols?  (choose all that apply)
 a.
He
 b.
H2O
 c.
NH3
 d.
Mg
 e.
Mn
 f.
NaCl
 

 44. 
Which of the following is/are chemical formulas?  (choose all that apply)
 a.
He
 b.
H2O
 c.
NH3
 d.
Mg
 e.
Mn
 f.
NaCl
 g.
MgCl
 h.
Pt
 

Essay
 

 45. 
Explain, in detail, how I would go about measuring the volume of an irregular object such as a rock.  Go on to explain how I would obtain the density of that rock.  Be sure to include the tools I would need and step by step instructons and what the final units for the density would be.
 



 
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