Worksheetschallenge # 2
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
a atom is _______
a)
the smallest element that holds the properties
b)
the smallest element that is a atom
2.
A proton is _______
a)
a particle that has a positive charge that is found around the atom
b)
a particle that has a positive charge that is found in the nucleus
c)
a particle that has no charge that is found around the atom
d)
a particle that has no charge that is found in the nucleus
3.
what is the nucleus
a)
the center of a atom
b)
the particle around a atom
4.
Each column in the periodic table is called a
a)
period
b)
group
c)
cluster
d)
unit
5.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
6.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
7.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
8.
Which element is not a metal?
a)
H
b)
Re
c)
Al
d)
B
9.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
10.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
11.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
12.
What is an example of a Chemical change?
a)
Ripped paper
b)
boiled egg
c)
cracked egg
d)
sugar in water
13.
what is the definition of physical change?
a)
any change that results in the formation of new chemical substances.
b)
rusting
c)
changes affecting the form of a chemical substance, but not its chemical composition.
d)
any property that is measurable, whose value describes a state of a physical system
14.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
15.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
16.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
17.
Boiling
a)
liquid to gas
b)
gas to solid
c)
gas to liquid
d)
solid to liquid
18.
Define a liquid.
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
19.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
20.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
100 %
