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Atoms & Molecules Basics

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Something that takes up space and has mass.

a)

volume

b)

mass

c)

density

d)

matter

2.

The amount of space something takes up.

a)

density

b)

volume

c)

mass

d)

matter

3.

When you expand something....

a)

You give it less space

b)

You keep the space the same

c)

You give it more space

4.

Q4: Observable characteristics such as texture, color, size, and mass are known as...

a)

combinations

b)

states of matter

c)

physical properties

d)

scientific tools

5.
What is the term for combining 2 or more atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
6.

What is the picture displayed?

a)

Carbon Dioxide

b)

Water

c)

Gasoline

d)

Liquid Nitrogen

7.

All matter is made of what

a)

energy

b)

atoms

c)

electrons

d)

compounds

8.

The central region of an atom where its neutrons and protons are is called it's __________ .

a)

nucleus

b)

electron cloud

c)

core

d)

center

9.
Elements are made of 
a)
many types of atoms 
b)
the periodic table
c)
one type of atom 
d)
molecules 
10.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
11.

This is a picture of a(n)

a)

molecule

b)

atom

c)

electron

d)

nucleus

12.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
13.
Where can matter be found?
a)
Everywhere
b)
On Earth only
c)
In a solid and liquid only
14.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
15.
Why do some substances float on water?
a)
they are warmer than water
b)
they are cooler than water
c)
they are more dense than water
d)
they are less dense than water
16.

The total mass of a cauliflower and a banana is ... g.

a)

750

b)

800

c)

850

17.
Volume is the amount of space an object takes up.
a)
True
b)
False
18.
What is the volume of this rectangular prism?
a)
27 cubic units
b)
18 cubic units
c)
9 cubic units
d)
3 cubic units
19.

What are the 3 stages of matter?

a)

gas, liquid, solid

b)

ready, set, go

c)

tilt, orbit, rotation

20.

The nucleus is on the _______________ of an atom.

a)

inside

b)

outside