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WorksheetsWildcats Vocab Quiz Chemical Reactions
Total questions: 20
Worksheet time: 10mins
__________ are the small building blocks of all matter
molecules
elements
atoms
chemcials
Atoms that are bonded together are called:
elements
atoms
molecules
chemcials
Repeating groups of atoms are called:
(a)
How small something is compared to something else is called
(a)
The characteristic of a substance like its shape, color, texture and density is called a
chemical reaction
extended structure
compound
property
C2H6O is an example of a
chemical reaction
chemical formula
bad mark in chemistry
prouct
When atoms of the reactants rearrange to form new products it is called
a chemical formula
a chemical reaction
magic
chemical philosophy
The word CORROSIVE means
it's really tasty
it does not react with anything
the core of the atom is rotten
it is dangerous and can cause damage
Billy's picture diagram of a chemical reaction like the one shown above is an example of a
model
extended structure
burning of hydrogen gas
a nuclear reactor
In the chemical reaction above, the hydrogen chloride is an example of a
product
reactant
tasty treat
cellular respiration
In the following chemical reaction, which molecule is a REACTANT?
chlorine gas
water
sulfur
hydrogen chloride
If two substances are different, will they have different properties?
yes
no
only every second Thursdays
Hydrogen peroxide, H2O2 , and water, H2O are molecules with alternating hydrogen and oxygen atoms. Will they have the same properties?
Yes
No
only under certain labratory conditions
Jesse thought he saw chlorine turn into sulfur in a chemical reaction. Is that possible?
No
Yes
under certain laboratory conditions, like high heat
During a chemical reaction is it possible for atoms to show up in the products if they were not present in the reactants?
Yes
No
Only under certain laboratory conditions, like high heat
atoms cannot be created or destroyed in a chemical reaction is called
The Law of Diminishing Returns
The Law of Motion
The Law of Conservation of Mass
The Law of Chemistry
In a chemical reaction, will the mass of the reactants equal the mass of the products?
yes
no
only sometimes
What is the name of the substance that you put in soil to help plants grow?
iron
iron oxide
hydrogen sulphide
fertilizer
In the Westfield water pipes the reddish-brown substance was iron oxide which is
fertilizer
iron
rust
fairy dust
A boiling point is the temperature at which
things start to get hot
a solid melts
a chemical reaction starts
a liquid turns to gas
