wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Wildcats Vocab Quiz Chemical Reactions

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

__________ are the small building blocks of all matter

a)

molecules

b)

elements

c)

atoms

d)

chemcials

2.

Atoms that are bonded together are called:

a)

elements

b)

atoms

c)

molecules

d)

chemcials

3.

Repeating groups of atoms are called:

(a)  

4.

How small something is compared to something else is called

(a)  

5.

The characteristic of a substance like its shape, color, texture and density is called a

a)

chemical reaction

b)

extended structure

c)

compound

d)

property

6.

 C2H6OC_2H_6O  is an example of a

a)

chemical reaction

b)

chemical formula

c)

bad mark in chemistry

d)

prouct

7.

When atoms of the reactants rearrange to form new products it is called

a)

a chemical formula

b)

a chemical reaction

c)

magic

d)

chemical philosophy

8.

The word CORROSIVE means

a)

it's really tasty

b)

it does not react with anything

c)

the core of the atom is rotten

d)

it is dangerous and can cause damage

9.

Billy's picture diagram of a chemical reaction like the one shown above is an example of a

a)

model

b)

extended structure

c)

burning of hydrogen gas

d)

a nuclear reactor

10.

In the chemical reaction above, the hydrogen chloride is an example of a

a)

product

b)

reactant

c)

tasty treat

d)

cellular respiration

11.

In the following chemical reaction, which molecule is a REACTANT?

a)

chlorine gas

b)

water

c)

sulfur

d)

hydrogen chloride

12.

If two substances are different, will they have different properties?

a)

yes

b)

no

c)

only every second Thursdays

13.

Hydrogen peroxide,  H2O2H_2O_2 , and water,  H2OH_2O  are molecules with alternating hydrogen and oxygen atoms. Will they have the same properties?

a)

Yes

b)

No

c)

only under certain labratory conditions

14.

Jesse thought he saw chlorine turn into sulfur in a chemical reaction. Is that possible?

a)

No

b)

Yes

c)

under certain laboratory conditions, like high heat

15.

During a chemical reaction is it possible for atoms to show up in the products if they were not present in the reactants?

a)

Yes

b)

No

c)

Only under certain laboratory conditions, like high heat

16.

atoms cannot be created or destroyed in a chemical reaction is called

a)

The Law of Diminishing Returns

b)

The Law of Motion

c)

The Law of Conservation of Mass

d)

The Law of Chemistry

17.

In a chemical reaction, will the mass of the reactants equal the mass of the products?

a)

yes

b)

no

c)

only sometimes

18.

What is the name of the substance that you put in soil to help plants grow?

a)

iron

b)

iron oxide

c)

hydrogen sulphide

d)

fertilizer

19.

In the Westfield water pipes the reddish-brown substance was iron oxide which is

a)

fertilizer

b)

iron

c)

rust

d)

fairy dust

20.

A boiling point is the temperature at which

a)

things start to get hot

b)

a solid melts

c)

a chemical reaction starts

d)

a liquid turns to gas