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WorksheetsChemistry Review 6th Grade
Total questions: 20
Worksheet time: 15mins
In a chemical Formula, you can add the total number of atoms based on the:
Symbol
Subscripts
Order
Spelling
If a symbol has no subscript, how many atoms of that element are there?
3
0
1
4
Write a chemical formula for a molecule that has 1 atom of Nitrogen(N), 3 atoms of Hydrogen (H).
(a)
Draw a molecule of water: H2 O
How many total Atoms are in this formula?
C6H4
6
2
8
10
In a crystal substance, the molecules join and form a _________ pattern.
Crazy
Tesselating
Open
Ugly
The atomic structure of graphite forms a repeating pattern.
In this pattern, the molecules are:
Vibrating Close together in place
Floating Freely
Sliding past each other
Exploding
This arrangement of molecules shows what state of matter?
(a)
This molecular arrangement shows:
Plasma
Gas
Solid
Liquid
This is an example of (a) molecules.
As water evaporates into a gas, the molecules:
Stay the Same
Go Away
Speed Up
Slow Down
When Ice Melts, the particle motion:
Increases
Decreases
Stays the Same
Stops
As a glass of Lemonade cools/loses heat, the molecules of lemonade:
Stay the Same
Freeze
Speed Up
Slow Down
Cutting the my lawn is an example of a (a) Change.
Digesting Food is an example of a ________ change.
Physical
Chemical
State of
Big
The Density of water is 1 g/mL. If an object has a density of 2 it will:
Sink
Float
Dissolve
Evaporate
If a piece of foam has a density of .5 g/ml, and you throw it into a pool of water with a density of 1 g/mL, what will happen to the foam?
Sink
Float
Fly
Fall Apart
Baking a cake is a _______ change.
Physical
Thermal
Chemical
Good
Chopping wood is a ______ Change.
Painting wood is a ______ change.
Burning wood is a ______change.
Physical, Physical, Chemical
Chemical , Chemical, Chemical
Physical, Chemical, Physical
Chemical, Physical, Chemical
Put these in order from slowest to fastest molecular movement:
Gas, Liquid, Solid
Liquid, Gas, Sold
Solid, Liquid, Gas
Liquid, Solid, Glass
