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WorksheetsChemistry of Life
Total questions: 12
Worksheet time: 9mins
Name
Class
Date
1.
What particle is found in the nucleus and has no charge?
a)
electron
b)
neutron
c)
proton
d)
atom
2.
The 4 macromolecules are
a)
vitamins, lipids, water, micronutrients
b)
micronutrients, macronutrients, water, vitamins
c)
Lipids, Waxes, Vitamin A, Water
d)
Carbohydrates, Lipids, Proteins, Nucleic Acids
3.
Number of protons that an atom has
a)
Atomic symbol
b)
Atomic Number
c)
Atomic Mass
d)
Mass Number
4.
What are the smallest basic units of matter?
a)
molecules
b)
atoms
c)
elements
d)
7th graders
5.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
6.
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
Fe + O2 -> Fe2O3
a)
4Fe + 3O2 -> 2Fe2O3
b)
2 Fe + 3O2 -> Fe2O6
c)
4 Fe + O6 -> 2Fe2O3
d)
None of the options are correctly balanced.
7.
What is the total number of atoms present in 5Na3PO4
a)
5
b)
40
c)
55
d)
8
8.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
9.
Which step? "I was right!: Touching the cheese makes the cheese moldy."
a)
make a hypothesis
b)
draw a conclusion
c)
experiment
10.
The flower is 8 cm tall.
a)
qualitative data
b)
quantitative data
11.
The center of the flower is yellow and fuzzy.
a)
qualitative data
b)
quantitative data
12.
1 gram = ______________ milligrams
a)
1
b)
10
c)
100
d)
1,000
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