WorksheetsChemical Reactions
Total questions: 16
Worksheet time: 12mins
The total Weight of lemonade for Mia is
(a)
Who's lemonade is sweeter?
Mia
Kayla
Eli
They all taste the same.
3. If Laila weighs the salt and vinegar solution and the pennies after the experiment, what do you think she will find? a. The solution will weigh
more and the pennies will weigh less after the experiment.
less and the pennies will weigh more after the experiment.
less and the pennies will weigh more after the experiment.
the same and the pennies will weigh less after the experiment.
Looking at the bar graph what weighed the most after the experiment?
Both the salt & vinegar and the pennies
The salt & vinegar
The pennies
Neither the salt and vinegar or the pennies.
Why does the bag expand in this experiment?
The vinegar alone makes air bubbles.
The baking soda alone makes air bubbles.
The mixture of baking soda and vinegar creates air bubbles.
They must have added air to the bag.
If two cups of baking soda are added to the vinegar in the bag, what will happen to the bag?
The air inside will turn to helium and float away.
There will be more gas created so the bag will inflate more and probably explode.
There will be more gas created so the bag will inflate but the bag will not explode.
Use your Periodic Table of Elements to help you:
Iron oxides, such as rust, form when iron metal reacts with oxygen in the air. What are the chemical symbols for the two elements found in iron oxide?
I and O
Ir and O
Fe and O
Pb and O
Use you Periodic Table of Elements:
What do the elements sulfur (S), nitrogen (N), phosphorus (P), and bromine (Br) have in common?
A They are noble (inert) gases.
B They are nonmetals.
C They have the same thermal conductivity.
D They have the same number of protons.
In which region of the table would the nonmetals be found?
1
2
3
4
What is the Atomic Number for Silver?
47
13
107
1
What letter/s represent gold on the Periodic Table of Elements?
Ag
Zn
TI
Au
What is Alchemy?
An early kind of science
Biology
Physics
Alchemists were scientists
True
False
What were most Alchemists obsessed with?
Creating gold
Finding diamonds
Finding copper
Creating dollars
Alchemist's believed the Philosopher's stone could turn metals into gold.
False
True
