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WorksheetsChemistry
Total questions: 15
Worksheet time: 3mins
What are observations of this object?
There is an orange in the bowl.
The bowl has a green, red, and yellow objects in it
The background is blue,
There are 4 objects in the black bowl
If the starting water level is 40 mL and you put a rock in the water and it rises to 47 mL what is the volume of the rock?
7 mL
70 mL
6 mL
What is mass measured in?
Grams
Millileters
Milligrams
Feet
What is some qualitative data from this image?
Somebody was walking there
Somebody stepping there had paint on their feet
There are 7 foot steps
What is matter?
ANYTHING
Anything that has weight and takes up space
Anything you can hold
Data observed with the 5 senses
What is solubility?
When water makes substances disappear
Going away in liquid
Dissolving
The ability for a substance to dissolve in a liquid.
What is an observation?
Looking at something
Data that you get from clues
Any information collected with senses
Which one is a synthesis reaction?
A+B→AB
A+B+C+D→ABCD
AB→A+B
How do you find the mass of an object?
You weigh it
You use displacement
The melting point is when whatever you are melting is done melting all the way through.
True
False
For a combustion reaction to happen the products have to have/be...
Oxygen
Explosives
Water & carbon dioxide
Science
Qualitative data is...
Data found with the 5 senses
Data that isn't counted
Descriptions
Which one is a decomposition reaction?
H2O→H2+O
HC+O2→CO2+H2O
4Fe+3O2→2Fe2O3
What is an inference?
Data found with the five senses
A hypothesis that you guessed
A guess
A conclusion or deductions based on observations
A chemical reaction is...
The rearrangement of the atoms in a substance so it changes its chemical properties, which makes at least one new substance.
A mixture of 2 or more chemicals
