WorksheetsChemistry 6th Grade
Total questions: 20
Worksheet time: 10mins
Is burning sugar a...
Chemical Reaction
Physical Reaction
Ripping cardboard is an example of
Physical Change
Chemical Change
Baking a cake is an example of
Physical Change (Just changed phases)
Chemical Change (can't change it back)
How do you know a chemical reaction takes place?
Something new is made
Changes Color
Changes Temp
Bubbles or Steams
ALL of the ABOVE
When you change from solid to liquid it is called..
Freezing
Melting
Evaporation
Condensation
When you change from gas to liquid it is called..
Freezing
Melting
Evaporation
Condensation
When you change from liquid to a gas it is called..
Freezing
Melting
Evaporation
Condensation
When you change from liquid to a solid it is called..
Freezing
Melting
Evaporation
Condensation
When you go from a solid directly to a gas it is called?
Sublime
Deposit
When you go from a gas directly to a solid it is called?
Sublime
Deposit
What happens as a solid starts to melt? Select all that apply
Bonds vibrate and start to pull apart
Bonds vibrate and pull together
Temp increases and so does kinetic energy
Temp decreases and so does kinetic energy
What is the difference between HO and He?
HO what santa says while delivering presents
No difference
HO is two elements because both are caps and He is one element since it is lower case
They are both two atoms
How many atoms is in this formula?
Na2 CO3
3
4
5
6
How many atoms is in this formula?
2NaFBr2
6
7
8
9
Is NaCl an element or compound?
Element
Compound
Both
Is 02 a element or compound
Element
Compound
In this equation 2NaF + Br2 →2NaBr +F2
The underline part is a ...
Product
Reactant
Element
In this equation 2NaF + Br2 →2NaBr +F2
The underline part is a ...
Product
Reactant
Element
What is the law of conservation of matter?
The Law of Conservation of Matter states that during a reaction matter can be created and destroyed
The Law of Conservation of Matter states that during a reaction no matter is created nor destroyed.
The Law of Conservation of Matter states that matter goes through changes called a phase change
How much are you ready for the exam? Be honest!
Not at all
25%
50%
75%
100% lets take it tomorrow
