Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Atoms, Molecules, Energy, State of Matter

Total questions: 24

Worksheet time: 8mins

Name
Class
Date
1.

What are atoms made of?

a)

Nucleus, protons, electrons

b)

Neutrons, Electrons, protons

c)

Energy, atoms, molecules

d)

Neutrons, electrons, nucleus

2.

What does the nucleus contain?

a)

protons and electrons

b)

molecules and atoms

c)

protons and neutrons

d)

neutrons and gas

3.

How does an atom become stable?

a)

have a full electron shell

b)

have the same amount of protons and neutrons

c)

have a single negative electron

d)

have same amount of negative and positive electrons

4.

True or false: H2o has 2 oxygen atoms and 1 hydrogen atom

a)

True

b)

False: only 1 oxygen atom, 1 hydrogen atom

c)

False: 2 of each atom (oxygen and hydrogen)

d)

False: 2 hydrogen atoms, 1 oxygen atom

5.

How many electrons can fit into the second outer shell?

a)

10

b)

18

c)

8

d)

2

6.

What is Energy?

a)

Energy is something that is deadly

b)

Energy is a type of element

c)

its the ability to cause change/do work

d)

It can move things place to place

7.

What is an example of radiant energy?

a)

a tomato growing

b)

explosive/ hazardess items

c)

using a microwave

d)

going up a flight of stairs

8.

What is an example for chemical energy?

a)

digesting food

b)

charging an item

c)

energy from the sun

d)

walking around

9.

What is an example of mechanical energy?

a)

plugging something in, so it works

b)

fixing a car

c)

walking through a hike

d)

an apple growing from a tree

10.

What is an example of electrical energy?

a)

Plugging in a hair dryer

b)

winding a toy

c)

putting your hair in a hair tie

d)

flipping a coin

11.

What is an example of thermal energy?

a)

Water being made into tea

b)

Making clothes

c)

Ice melting in your hand

d)

Charging your phone

12.

Why is nuclear energy so harmful?

a)

It is explosive

b)

It is something that you can not make

c)

Can cause cancer

d)

It's not harmful

13.

What is Boron's number in the periodic table?

a)

6

b)

7

c)

4

d)

5

14.

What is the symbol of Silicon?

a)

Si

b)

Sn

c)

Sl

d)

Sc

15.

How many electrons can fit in the third electron outer shell?

a)

20

b)

32

c)

18

d)

19

16.

What is an Atomic Number?

a)

Number of nucleus in the proton

b)

Number of electrons in the shell

c)

Number in the periodic table

d)

Number in the periodic table, and number of protons

17.

How many elements are there on the periodic table?

a)

120

b)

118

c)

119

d)

130

18.

How do you make a molecule?

a)

The bond of electrons

b)

The bond of atoms with atoms

c)

The bond of the nucleus

d)

The bond of an atom and an electrons

19.

When were electrons founded?

a)

1897

b)

1888

c)

1911

d)

1896

20.

How many forms of energy is there?

a)

5

b)

3

c)

7

d)

6

21.

What is ION?

a)

when an electron explodes

b)

when an atom loses/given an electron

c)

when an atom taks/steals an electron

d)

when an electron is stolen

22.

What is the opposite of thermal energy?

a)

somthing burning

b)

something melting

c)

something cooling down

d)

something staying the same tempature

23.

What is the symbol for sodium?

a)

So

b)

Na

c)

Ne

d)

Sm

24.

How many spaces/places are "blank" in the periodic table?

a)

3

b)

0

c)

2

d)

1