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WorksheetsProperties and Changes of Matter
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
Atomic particles that carry a negative charge are ____________.
a)
Protons
b)
neutrons
c)
electrons
d)
ions
2.
The amount of matter in an object is the object's _________
a)
weight
b)
mass
c)
volume
d)
density
3.
A(n)_______ is an electrically charged particle with an unequal number of protons and electrons.
a)
metal
b)
compound
c)
atom
d)
ion
4.
The term _______ describes a reacting that gives off heat.
a)
endothermic
b)
exothermic
c)
isothermic
d)
energy transfer
5.
An object's mass divided by its volume is its ________________.
a)
gravity
b)
size
c)
density
d)
weight
6.
A _____ is a positively charged particle in an atom's nucleus.
a)
proton
b)
electron
c)
neutron
d)
ion
7.
An object's _______ is the amount of space it takes up.
a)
volume
b)
mass
c)
weight
d)
density
8.
The term ________ describes a reaction that absorbs heat.
a)
isothermic
b)
exothermic
c)
endothermic
d)
energy gain
9.
Atoms of different elements may chemically combine to form a(n) _______.
a)
neutron
b)
compound
c)
nucleus
d)
proton
10.
A(n) ____is a group of bonded atoms that acts like a single particle.
a)
proton
b)
neutron
c)
ion
d)
molecule
11.
The atomic number of Carbon is 6 which means that all carbon atoms have _______________.
a)
6 protons in their nuclei
b)
6 neutrons in their nuclei
c)
6 electrons in their nuclei
d)
6 neutrons in orbit
12.
In a ____________________ two elements or compounds join to form a new compound.
a)
synthesis reaction
b)
replacement reaction
c)
decomposition reaction
d)
physical reaction
13.
The _____________ of a substance can be observed without changing its identity.
a)
chemical properties
b)
physical properties
c)
physical and chemical properties
d)
physical change
14.
The smallest particle of an element that has the same chemical properties as the element is a(n) _____________.
a)
electron
b)
neutron
c)
atom
d)
nucleus
15.
Any link that atoms can form with one another is a(n) ____________.
a)
ionic bond
b)
metallic bond
c)
chemical bond
d)
covalent bond
16.
In a _____________ reaction, compounds break down into elements or smaller compounds.
a)
synthesis
b)
decomposition
c)
replacement
d)
chemical
17.
What is the correct formula for calculating density?
a)
Density = volume + mass
b)
Density = volume x mass
c)
Density = volume - mass
d)
Density = volume / mass
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