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How can you control the amount of gas produced in a baking soda and vinegar reaction?
 
you can adjust the amount of reactants that you use
 
you add a lot of dish detergent to the reactants
 
you can adjust the amount of products that you use
 
baking soda and vinegar do not make a reaction
Mrs. Campbell put an iron nail into a glass of vinegar. After a few minutes we saw gas bubbles appear in the vinegar. Which items were the reactants in this chemical reaction?
 
vinegar and iron nail
 
iron nail and water
 
iron nail and bubbles
 
bubbles and vinegar
Mrs. Campbell put an iron nail into a glass of vinegar. After a few minutes we saw gas bubbles appear in the vinegar. What was the product in this chemical reaction?
 
gas bubbles
 
iron nail
 
vinegar
 
water
How do you make a solution?
 
dissolve solute into a solvent
 
melt a solute into a solvent
 
mix together two ore more dry materials
 
dissolve solvent into a solute
What do you call the new materials that are present at the END of a chemical reaction?
 
products
 
solvents
 
reactants
 
solutes
What do you call the substances that you mix together in order to create a chemical reaction?
 
reactants
 
products
 
solutes
 
solvents
The process in which chemicals change to make one or more new substances that have different properties from the original ones
 
chemical reaction
 
physical change
 
evaporation
 
condensation
When you mix up a solution and a NEW solid forms, the solid is called a...
 
precipitate
 
solvent
 
reactant
 
solution
Anything that has mass and takes up space is...
 
matter
 
volume
 
density
 
weight
The words used to describe something...
 
properties
 
measurements
 
mass
 
volume
A state of matter that holds its own shape and always takes up the same amount of space is...
 
solid
 
liquid
 
gas
 
Oobleck
A state of matter that flows freely and takes the shape of its container is...
 
liquid
 
solid
 
gas
 
Oobleck
The state of matter that is shapeless, transparent, and expands to fill any closed container it is in is...
 
gas
 
Oobleck
 
solid
 
liquid
How much space a solid, liquid, or gas takes up
 
volume
 
matter
 
mass
 
grams
How much matter is in an object
 
mass
 
volume
 
grams
 
weight
A substance that changes color when exposed to certain substances. Scientists use this to tell if a substance is an acid or a base.
 
pH indicator
 
vinegar
 
water
 
iodine
A special type of mixture that has a solute dissolved into a solvent...
 
solution
 
mixture
 
chemical reaction
 
precipitate
I tested an unknown substance and corn starch with a few test liquids. The unknown reacted to the test liquids in a different way than the corn starch. What does this mean?
 
The unknown is NOT corn starch
 
The unknown IS corn starch
 
You need to test with more liquids to draw a conclusion
 
This doesn't tell us anything
When there is so much solute that it no longer dissolves into the solvent we call this...
 
saturated
 
dense
 
dilute
 
a mixture
What can you do to a saturated solution to make it unsaturated?
 
add more solvent
 
add more solute
 
dump out the solvent
 
you can't make it unsaturated


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