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Compounds
Test Description: 5-8 self-contained
Instructions: Answer all questions to get your test result.
1) When Iron is combined with Oxygen _________________ is formed.
A
carbon dioxide
B
tyler's socks
C
rust
D
metal
2) _________________ retain the properties of the substances that make them up.
A
atoms
B
compounds
C
mixtures
D
elements
3) __________________ is a change of matter that results in a new substance that is different from the original substances.
A
Alena's shoes
B
A mixture
C
A physical change
D
A chemical change
4) A ________________ is formed when the atoms of two or more elements combine.
A
compound
B
red turtle shell
C
element
D
mixture
5) Adding heat to a marshmallow will produce ____________ and ____________.
A
nitrogen and sulfur
B
carbon and water vapor
C
oxygen and gold
D
Ruben's cast
6) The compound is often the name of the _______________ plus a modified form of the second elements name.
A
color that it is
B
city where it was invented
C
third element
D
first element
7) A ________________ shows which elements have combined to form that particular compound.
A
a squirrel's house
B
chemical formula
C
chemical anagram
D
chemical recipe
8) _________________ let you know the number of atoms that have combined.
A
subscripts
B
oxidases
C
element numbers
D
Romans
9) You can check ________________ properties like density, freezing, melting, and boiling points and color.
A
social
B
physical
C
chemical
D
real estate
10) You can check _______________ properties. For example the color the atoms give off when they are reacting. Certain compounds give off certain colors.
A
social
B
physical
C
chemical
D
real estate
*select an answer for all questions
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