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S1ExamPartONE_0910

 1. 
A solid is a state of matter that has a(n)
A.
definite volume and a definite shape.
B.
indefinite volume and a definite shape.
C.
indefinite volume and an indefinite shape.
D.
definite volume and an indefinite shape.
 

 2. 
Thermal energy always flows from
A.
a warmer substance to a cooler substance.
B.
a liquid to a solid.
C.
a cooler substance to a warmer substance.
D.
one substance to another substance having the same temperature.
 

 3. 
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
 

 4. 
In chemistry, elements are represented by
A.
ratios.
B.
building blocks.
C.
symbols.
D.
formulas.
 

 5. 
The measurement of the amount of mass contained in a given volume is called
A.
liter.
B.
weight.
C.
kilogram.
D.
density.
 

 6. 
mc006-1.jpg
Data plotted on a graph results in a line that slopes upward from left to right (see above). This graph tells you that
A.
when one variable increases, the other variable decreases.
B.
when one variable increases, the other variable remains the same.
C.
both variables are decreasing.
D.
when one variable increases, the other variable increases.
 
 
Use the picture below to answer the following question(s).
nar002-1.jpg
 

 7. 
Study the graduated cylinder shown above. What unit of measure applies to this instrument?
A.
kilogram
B.
meter
C.
Newton
D.
milliliter
 

 8. 
Study the graduated cylinder. What volume of liquid, in milliliters, is being held by this instrument?
A.
22.5
B.
20.0
C.
17.5
D.
15.0
 

 9. 
Study the graduated cylinder. How would the reading on this instrument change if some liquid evaporated?
A.
It would decrease.
B.
It would not change.
C.
It would increase, then decrease.
D.
It would increase.
 

 10. 
Dalton’s theory of atoms said that the masses of elements in a compound are always
A.
in a 4 to 1 ratio.
B.
equal.
C.
in a constant ratio.
D.
in a 2 to 1 ratio.
 
 
Rosa added drops of weak hydrochloric acid (HCl) to four rocks and minerals. Her data are shown in the table.
Adding Hydrochloric Acid to
Some Rocks and Minerals
Rock/Mineral
Reaction with
Hydrochloric Acid (HCl)
Quartz (SiO2) None
Sandstone (SiO2) None
Limestone (CaCO3) Fizzes, bubbles produced
Corundum (Al2O3) None
 

 11. 
Study the data in the table above. Which term BEST describes the type of change that took place when acid was added to limestone?
A.
mechanical
B.
chemical
C.
electrical
D.
physical
 

 12. 
Refer to the table above. Which rock or mineral reacts chemically with hydrochloric acid?
A.
limestone
B.
sandstone
C.
corundum
D.
quartz
 

 13. 
Study the table above. What showed Rosa that a chemical change happened when acid was added to limestone?
A.
An electric current was produced.
B.
The mass of the limestone increased.
C.
The hydrochloric acid changed from a liquid into solid phase.
D.
A gas was given off.
 

 14. 
Based on the data in the table above, which of the following statements about Rosa’s experiment is FALSE?
A.
Corundum did not react chemically with hydrochloric acid in Rosa’s experiment.
B.
All of the rocks and minerals Rosa tested reacted chemically with the acid.
C.
Limestone reacted chemically with hydrochloric acid in Rosa’s experiment.
D.
Sandstone did not react chemically with hydrochloric acid in Rosa’s experiment.
 

 15. 
The energy a substance has from the movement of its particles is called
A.
thermal energy.
B.
chemical energy.
C.
light energy.
D.
potential energy.
 

 16. 
Which skill are you using if you identify a trend or pattern seen in a graph?
A.
inferring
B.
developing hypotheses
C.
interpreting data
D.
posing questions
 
 
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
 

 17. 
According to the data in the chart above, what is the volume, in cubic centimeters, of the aluminum (Al) cube?
A.
27
B.
54
C.
12
D.
9
 

 18. 
According to the data in the chart above, what is the volume, in cubic centimeters, of the copper (Cu) cube?
A.
12
B.
9
C.
54
D.
27
 

 19. 
Based on the data in the chart above, which statement about these two cubes is TRUE?
A.
These cubes are equal in mass.
B.
These cubes are equal in density.
C.
These cubes have the same shape but different volumes.
D.
These cubes are equal in volume.
 

 20. 
On a long trip, a truck’s tires can get very hot, causing
A.
their pressure to decrease.
B.
their volume to decrease.
C.
their pressure to increase.
D.
the truck to go faster.
 

 21. 
The greater the speed of gas particles in a container, the
A.
greater the pressure.
B.
fewer collisions there will be.
C.
lower the temperature.
D.
lower the pressure.
 

 22. 
One example of a physical change is
A.
the rusting of iron.
B.
burning paper.
C.
baking cookies.
D.
mixing a milkshake.
 

 23. 
Which type of matter consists of two or more substances that are NOT chemically combined?
A.
elements
B.
mixtures
C.
atoms
D.
compounds
 

 24. 
In which state of matter do the particles spread apart and fill all the space available to them?
A.
solid
B.
gas
C.
crystal
D.
liquid
 

 25. 
The measurement of how much matter an object contains is its
A.
volume.
B.
density.
C.
weight.
D.
mass.
 

 26. 
If a gas in an expandable container is heated, the volume of the gas will
A.
stay the same.
B.
increase.
C.
decrease.
D.
increase, then decrease.
 

 27. 
How would you calculate the density of an object?
A.
Multiply its volume times its mass.
B.
Divide its mass by its volume.
C.
Multiply its weight times its mass.
D.
Divide its weight by its volume.
 
 
Ellen measures the air temperature in her classroom during the day. The readings she takes are shown below.
nar004-1.jpg
 

 28. 
Study the diagram above. At what time of the day does Ellen measure the coldest air temperature?
A.
12 P.M.
B.
8 A.M.
C.
2 P.M.
D.
10 A.M.
 

 29. 
Which of the following phrases best describes science?
A.
doing experiments
B.
drawing conclusions
C.
a process of learning about the natural world
D.
a list of facts about the world around you
 

 30. 
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
 

 31. 
In an experiment, the variable that changes as a result of changes in the manipulated variable is the
A.
responding variable.
B.
inferred variable.
C.
controlled variable.
D.
hypothesis.
 

 32. 
Which of these shows a chemical change?
A.
mc032-1.jpg
C.
mc032-3.jpg
B.
mc032-2.jpg
D.
mc032-4.jpg
 

 33. 
The resistance of a liquid to flowing is its
A.
temperature.
B.
volume.
C.
pressure.
D.
viscosity.
 

 34. 
When a substance changes from a solid to a gas without passing through a liquid state, the change is described as
A.
condensation.
B.
vaporization.
C.
sublimation.
D.
evaporation.
 

 35. 
Facts, figures, and other evidence learned through observation are called
A.
questions.
B.
variables.
C.
experiments.
D.
data.
 

 36. 
Which process involves a gas changing into a liquid?
A.
melting
B.
freezing
C.
condensation
D.
vaporization
 

 37. 
Which term describes a liquid changing into a solid?
A.
condensing
B.
melting
C.
freezing
D.
vaporizing
 

 38. 
One example of a chemical change is
A.
cutting up paper.
B.
burning gasoline in an engine.
C.
boiling water.
D.
crushing a can.
 

 39. 
Which is an example of a chemical change?
A.
digestion of food
B.
water freezing on the surface of a pond
C.
melting snow
D.
rubbing alcohol evaporating from an open bottle
 

 40. 
The SI unit for mass is the
A.
liter.
B.
pound.
C.
ounce.
D.
kilogram.
 

 41. 
In which state of matter would a substance have the least thermal energy?
A.
gas
B.
solid
C.
vapor
D.
liquid
 

 42. 
The force of outward push of a gas divided by the area of the walls of the container is the gas’s
A.
volume.
B.
density.
C.
pressure.
D.
temperature.
 

 43. 
The chart shows the gases that make up the air we breathe. Which is NOT a reason why air is classified as a solution?
Gases in the Air
Gas
Percentage
Nitrogen (N2)
78%
Oxygen (O2)
21%
Argon (Ar)
0.93%
Carbon dioxide (CO2)
0.03%
Water vapor (H2O)
0.0 to 4.0%
A.
These gases cannot be separated using filter paper.
B.
These gases are mixed evenly throughout the air we breathe.
C.
These gases eventually settle to the ground.
D.
Atoms of these gases are so tiny that they cannot be seen without a microscope.
 

 44. 
In which state of matter are particles packed tightly together in fixed positions?
A.
compound
B.
solid
C.
liquid
D.
gas
 

 45. 
Which of these is NOT an example of a chemical change?
A.
leaves changing color in the fall
B.
a burning match
C.
slicing a loaf of bread
D.
a plant making sugars and starches for growth
 

 46. 
Ellen studies a sample of sand from the beach near her house. Which property of the sand proves to Ellen that the sample is a mixture, but not a solution?
A.
The sample has a mass greater than 1 kilogram.
B.
The sand and pebbles in the sample are the same color.
C.
Ellen can see sand, pebbles, and pieces of shell in the sample.
D.
All of the particles in the sample are solid particles.
 

 47. 
What is vaporization?
A.
a gas becoming a solid
B.
a liquid becoming a solid
C.
a gas becoming a liquid
D.
a liquid becoming a gas
 

 48. 
Water boils at a lower temperature at higher altitudes because
A.
the volume is higher.
B.
the air pressure is lower.
C.
the air pressure is higher.
D.
the volume is lower.
 

 49. 
Substances that CANNOT be broken down chemically into other substances are
A.
liquids.
B.
mixtures.
C.
compounds.
D.
elements.
 

 50. 
Regina wants to find the mass of her turtle using a balance. She balances her turtle using the masses, in grams (g), shown here. What is the turtle’s mass?
mc050-1.jpg
A.
281 grams
B.
154 grams
C.
253 grams
D.
181 grams
 

 51. 
What holds atoms together in a molecule?
A.
gravity
B.
density
C.
temperature
D.
chemical bonds
 

 52. 
Particles of a liquid
A.
are tightly packed together and stay in a fixed position.
B.
are free to move within a container but remain in close contact with one another.
C.
have no viscosity.
D.
decrease in volume with increasing temperature.
 

 53. 
All elements are composed of extremely small particles called
A.
mixtures.
B.
molecules.
C.
compounds.
D.
atoms.
 

 54. 
The amount of space that a gas takes up is its
A.
volume.
B.
mass.
C.
pressure.
D.
density.
 

 55. 
You want to know if the temperature of water affects how quickly a cube of sugar will dissolve, or seem to disappear, into the water. In a controlled experiment, what would be the responding variable?
A.
the amount of water
B.
the temperature of the water
C.
the time it takes for the sugar cube to dissolve in the water
D.
the size of the sugar cube
 

 56. 
Which state of matter undergoes changes in volume most easily?
A.
liquid
B.
gas
C.
solid
D.
frozen
 

 57. 
When an inflated balloon is exposed to cold air,
A.
the volume of the balloon decreases.
B.
the temperature inside the balloon rises.
C.
the pressure inside the balloon rises.
D.
the volume of the balloon increases.
 

 58. 
The density of a block of wood with a volume of 50 cubic centimeters and a mass of 100 grams is
A.
0.5 g/cm3.
B.
5,000 g/cm3.
C.
2 g/cm3.
D.
500 g/cm3.
 

 59. 
Ice melts as a result of thermal energy flowing from the
A.
inside of the ice to the outside of the ice.
B.
solid to the liquid.
C.
ice to its surroundings.
D.
surroundings to the ice.
 

 60. 
The measurement of the force of gravity on an object is the object’s
A.
mass.
B.
density.
C.
weight.
D.
volume.
 



 
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