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Mid Summative Assessment Review
Test Description: Foss Kit-Chemical Interactions
Instructions: Answer all questions to get your test result.
1) What is a chemical reaction?
A
An interaction where substances change into new and different substances.
B
What happens when objects melt.
C
The thing that happens when Mrs. Beech gets mad.
D
A change from a solid to a liquid.
2) What is the chemical formula for water?
A
hydrogen and oxygen
B
H2O
C
HO
D
HO2
3) What is a substance?
A
Something found inside your desk.
B
A symbol
C
A form of matter that is the same as every other form of matter.
D
A form of matter that is different from every other form of matter.
4) What is the difference between the substances CO and Co?
A
no difference
B
CO = cobalt; C = cesium; O = oxygen; they are elements
C
C is my grade; O stands for outstanding; Co stands for company
D
C = carbon; O = oxygen; Co = cobalt; they are elements
5) How many naturally occurring elements are there?
A
8675309
B
90
C
too many
D
118
6) The basic building block of all matter
A
element
B
brick
C
mixture
D
compound
7) What is an element?
A
A solid nonmetal
B
A substance that cannot be broken into simpler substances
C
A substance that can be turned into simpler substances
D
A liquid metal
8) Three ways that substances can be described?
A
common name, chemical formula, chemical name
B
all the way, some of the way, far away
C
The hard way, the easy way, no way
D
Manny, Moe and Jack
9) Why did Mendeleyev change the layout of the elements into rows and columns?
A
He wanted it all to fit on one page instead of in a long line
B
He put elements with similar characteristics in the same column
C
He didn't have any toys
D
His mother made him
10) What grade will you probably get if you did not complete your poster?
A
C
B
F
C
A
D
Z
*select an answer for all questions
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