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Worksheetsgrade 6- chemistry
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
What is an Element?
a)
A substance that can't be broken down into other substances
b)
The trio: Fire, Water, Ice
c)
Who knows?
d)
A mixture of two substances
2.
A pure substance that cannot be separated into simpler substances by chemical or physical means.
a)
Element
b)
Compound
c)
Mixture
d)
Chemical
3.
A compound is made of ________ atoms.
a)
big
b)
similar
c)
different
4.
Carbon Dioxide is a ______
a)
compound
b)
element
c)
mixtures
d)
Battle of Bunker Hill
5.
These contain only one kind of atom.
a)
element
b)
compound
c)
mixture
d)
water
6.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
7.
Salt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
8.
Iced Tea (with ice in it)
a)
Element
b)
Compound
c)
Heterogenous Mixture
d)
Solution
9.
Pizza
a)
Element
b)
Compound
c)
Heterogenous Mixture
d)
Solution
10.
The chart below lists some substances and their symbols. How many of these substances are examples of elements?
a)
1
b)
2
c)
3
d)
4
11.
What makes elements and compounds different from mixtures? Elements & compounds-
a)
have a constant composition (pure substances)
b)
are made of gases
c)
Will not change when heated
d)
conduct electric current
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