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WorksheetsSemester Review 1
Total questions: 19
Worksheet time: 12mins
Name
Class
Date
1.
Anthony designed an experiment to answer the following question:
How does the temperature of water affect the time it takes for a sugar cube to dissolve?
What is Anthony's independent variable?
How does the temperature of water affect the time it takes for a sugar cube to dissolve?
What is Anthony's independent variable?
a)
Time it takes for sugar to dissolve
b)
Amount of sugar dissolved
c)
Temperatures of water
d)
Amount of water
2.
Anthony designed an experiment to answer the following question:
How does the temperature of water affect the time it takes for a sugar cube to dissolve?
What is the dependent variable of the experiment?
How does the temperature of water affect the time it takes for a sugar cube to dissolve?
What is the dependent variable of the experiment?
a)
Temperature of water
b)
Amount of water
c)
Amount of sugar dissolved
d)
Time it takes for sugar to dissolve
3.
For Anthony's investigation, what would need to be a controlled variable?
a)
Amount of sugar
b)
Temperature of water
c)
Time
4.
What is the SI unit for mass?
a)
Grams
b)
Milliliters
c)
Cubic Centimeters
d)
Meters
5.
What is the SI unit for volume?
a)
Grams
b)
Milliliters
c)
Centimeters
d)
Meters
6.
Scientists discover a new species of frog and want to learn about them. They observe the frogs and mark their observations in journals and record data about their environment.
What type of investigation is this?
What type of investigation is this?
a)
Descriptive
b)
Comparative
c)
Experimental
7.
This is a pure substance.
a)
Element
b)
Atom
c)
Molecule
d)
Compound
8.
The positive part of a nucleus.
a)
Proton
b)
Neutron
c)
Electron
9.
Element or compound?
NaCl
NaCl
a)
Element
b)
Compound
10.
Element or compound?
Al3
Al3
a)
Element
b)
Compound
11.
Which of the following is an element?
a)
CO2
b)
H2O
c)
Al2
d)
NO
12.
How many elements are in this compound?
C3O2H6
C3O2H6
a)
2
b)
3
c)
11
d)
4
13.
Using your periodic table, identify the element as a metal, nonmetal, or metalloid.
C
C
a)
Metal
b)
Nonmetal
c)
Metalloid
14.
Using your periodic table, identify the element as a metal, nonmetal, or metalloid.
Si
Si
a)
Metal
b)
Nonmetal
c)
Metalloid
15.
Using your periodic table, identify the element as a metal, nonmetal, or metalloid.
Ca
Ca
a)
Metal
b)
Nonmetal
c)
Metalloid
16.
An unknown element is shiny and conducts electricity. It is most likely a-
a)
Metal
b)
Nonmetal
c)
Metalloid
17.
An unknown element is dull and brittle. It is most likely a-
a)
Metal
b)
Nonmetal
c)
Metalloid
18.
An unknown element is shiny, conducts electricity, and is brittle. It is most likely a-
a)
Metal
b)
Nonmetal
c)
Metalloid
19.
How many protons are in the nucleus of an atom of Potassium?
a)
2
b)
19
c)
29
d)
39
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