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WorksheetsIPS POST TEST PRACTICE
Total questions: 55
Worksheet time: 28mins
Name
Class
Date
1.
The periodic table was first presented by Dmitri Mendeleev.
a)
True
b)
False
2.
In an atom the electrons travel in energy "clouds" around the nucleus.
a)
True
b)
False
3.
You can use and copy someone else's work when you don't understand the science work.
a)
True
b)
False
4.
When using a micro burner, make sure the o-ring is showing before lighting.
a)
True
b)
False
5.
Different amounts of a chemical will have different boiling point temperatures.
a)
True
b)
False
6.
When baking soda is heated, a gas is released.
a)
True
b)
False
7.
A substance's freezing point temperature will be shown as a plateau on a cooling curve line graph.
a)
True
b)
False
8.
All accidental fires always require the use of a fire extinguisher.
a)
True
b)
False
9.
Quantitative observations are all the things you see, smell and hear during a lab investigation.
a)
True
b)
False
10.
Qualatative observations are all the things you see, smell and hear during a lab investigation.
a)
True
b)
False
11.
Making inferences should be avoided when writing qualitative observations.
a)
True
b)
False
12.
When writing a good conclusion, supporting evidence from lab data should be included.
a)
True
b)
False
13.
Volume measures the amount of matter in an object, while mass measures the amount of space the object occupies.
a)
True
b)
False
14.
Gases have mass.
a)
True
b)
False
15.
A beaker is the most accurate instrument for measuring liquid volume.
a)
True
b)
False
16.
1,000,000 is the same as 1x106.
a)
True
b)
False
17.
Histograms show trends in data.
a)
True
b)
False
18.
Density can be used to identify substances and distinguish between them.
a)
True
b)
False
19.
If two substances react in a closed system, the mass of the product(s) usually increases.
a)
True
b)
False
20.
When an ice cube melts, the mass of the water that comes from the ice is less than the ice's original mass.
a)
True
b)
False
21.
When an ice cube melts, the volume of the water that comes from the ice is less than the ice's original volume.
a)
True
b)
False
22.
Most types of wood float on water because they have less mass per unit of volume than water.
a)
True
b)
False
23.
If substance A is 10g and substance B is 50g, substances A and B can not be the same.
a)
True
b)
False
24.
A solute is a substance that is dissolved in another substance.
a)
True
b)
False
25.
The unit for density is mL/g.
a)
True
b)
False
26.
Homogeneous mixtures are the same throughout.
a)
True
b)
False
27.
As altitude increases, boiling point decreases.
a)
True
b)
False
28.
Heat transfers from places of low temperature to places of higher temperature.
a)
True
b)
False
29.
When molecules are heated, they move slower.
a)
True
b)
False
30.
The concentration of a solution is how much solute is dissolved in a given amount of solvent.
a)
True
b)
False
31.
In order to change a gas to liquid, more energy is required.
a)
True
b)
False
32.
The periods (rows) of the periodic table are grouped by:
a)
Phase of matter at room temperature
b)
The number of electrons in the outer shell
c)
The number of electron shells
d)
The category of the element, i.e. metal, non-metal, metalloid
33.
A rock is placed in a graduated cylinder with 10 mL of water in it. The water level rises to 15 mL. The volume of the rock is:
a)
2mL
b)
10mL
c)
5mL
d)
Can not be found from this data alone
34.
What units are used for volume?
a)
g/cm3 and g/mL
b)
cm3 and mL
c)
cm and m
d)
g and kg
35.
Which of the following is NOT a characteristic property?
a)
Boiling Point
b)
Freezing Point
c)
Mass
d)
Density
36.
The number 6,500,000 can be re-written in scientific notation as:
a)
6.5 x 104
b)
6.5 x 105
c)
65 x 105
d)
6.5 x 106
37.
Which of the following are true about characteristic properties of matter? They:
a)
help identify substances.
b)
distinguish between substances.
c)
don't depend on how much of a substance there is.
d)
All of the above
38.
On a cooling or heating curve, what is the evidence that a phase change is occurring?
a)
A valley
b)
A plateau
c)
A constant slope
d)
A variable slope
39.
The families/groups (columns) on the periodic table are arranged by:
a)
Phase of matter at room temperature
b)
The number of electrons in the outer shell
c)
The number of electron shells
d)
The category of the element, i.e. metal, non-metal, metalloid
40.
Solubility is:
a)
not a characteristic property.
b)
how much solute is dissolved in a solvent.
c)
how much solute can dissolve in solvent.
d)
None of the above
41.
Law of conservation of mass means:
a)
When reactions occur in a closed system, matter may change form but is not lost or created
b)
When reactions occur in a closed system, and two substances combine to form a new substance, mass increases
c)
Mankind should not waste things
d)
In a healthy diet, your weight does not fluctuate much
42.
Chemical changes are different from physical changes in that:
a)
The volume is often changed
b)
The shape is changed
c)
The color is changed
d)
A new substance is created
43.
Use a calculator. The side of a cube is 1.5 cm. What is the volume of the cube?
a)
4.5cm3
b)
2.25cm3
c)
5.83cm3
d)
3.4cm3
44.
Use a calculator. A block of magnesium has a volume of 10.0 cm3 and a mass of 17.0g. What is the density of the magnesium?
a)
1.7 g/cm
b)
1.70 g/cm3
c)
0.59g/cm
d)
0.59 g/cm3
45.
Use a calculator. A block of magnesium has a volume of 10.0 cm3 and a mass of 17.0g. What is the density of the magnesium?
a)
1.7 g/cm
b)
1.70 g/cm3
c)
0.59g/cm
d)
0.59 g/cm3
46.
Use a calculator. If a substance has a density of 2.0 g/cm3, and you have 4 g, what is its volume?
a)
2cm
b)
2cm3
c)
8cm3
d)
2g
47.
One problem with measuring volume is that when two substances are combined the total volume can decrease.
a)
True
b)
False
48.
A piece of clay is first shaped into a doughnut, then reshaped into a sphere. The sphere has more mass than the donut.
a)
True
b)
False
49.
A reaction that gives off heat is referred to as an endothermic reaction.
a)
True
b)
False
50.
The following chemical equation is an example of a decomposition reaction: 2N2 + O2 + 4H2O = 2NH4NO3
a)
True
b)
False
51.
A substance's freezing and melting point are the same temperature.
a)
True
b)
False
52.
What can particles in a fluid do that particles in a solid cannot do?
a)
stay in place
b)
melt
c)
they can move easily past each other
d)
none of the above
53.
After measuring the mass of an object with the single-pan balance, before you return the balance to it's cabinet, you should...
a)
zero the balance.
b)
move all the riders to the right.
c)
move all the riders to the left.
d)
remove the pan.
54.
A substance has a density of 1.25 g/cc. What is the possible phase(s) of matter for the substance?
a)
The substance can ONLY be a gas.
b)
The substance can ONLY be a liquid.
c)
The substance can ONLY be a solid.
d)
The substance can be a solid or a liquid.
55.
One property of metals that distinguishes them from non-metals is...
a)
metals have no lustre
b)
metals are brittle
c)
metals do not conduct electricity or heat well
d)
metals are good conductors
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