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8th Grade Winter Final Review 2024

Total questions: 41

Worksheet time: 39mins

Name
Class
Date
1.
The number of protons in the nucleus of an atom is which of the following?
a)
atomic number
b)
isotope
c)
electron cloud
d)
ion
2.
Adding thermal energy to a cup of water can cause the _____.
a)
particles to move faster
b)
particles to get farther apart
c)
particles to move faster or get farther apart or both
d)
particles to remain constant
3.
Dry ice is a solid that changes directly to a gas when thermal energy is added. This is an example of ______.
a)
evaporation
b)
condensation
c)
sublimation
d)
unfreezing
4.
A change in the state of matter is caused if enough _____ is added to or removed from an object.
a)
thermal energy
b)
potential energy
c)
kinetic energy
d)
force
5.
Attractive forces between particles in a sample of matter are strong and pull the particles close together, keeping them in their positions. This is an example of
a)
surface tension
b)
the solid state of matter
c)
kinetic energy
d)
lunch detention
6.
As the space in a container gets smaller, the _____ decreases.
a)
pressure
b)
volume
c)
temperature
d)
heat
7.
Snow melts after a snowstorm because of the addition of _____.
a)
potential energy
b)
speed
c)
thermal energy
d)
snow
8.
Lightning flashes contain which of the following types of matter?
a)
plasma
b)
liquid
c)
solid
d)
gas
9.
Most of the mass of an atom is found in its ____.
a)
nucleus
b)
atomic number
c)
electron cloud
d)
mass number
10.
Which scientific tool would be primarily used by scientists?
a)
thermometeres
b)
balances
c)
computers
d)
all of the above
11.
Which makes up almost all of the mass of an atom?
a)
electron cloud
b)
electron
c)
isotope
d)
nucleus
12.
Which particle or particles make up the nucleus?
a)
neutrons
b)
protons
c)
electrons and protons
d)
protons and neutrons
13.
What charge does the nucleus have?
a)
no charge
b)
positive
c)
neutral
d)
negative
14.
What charge does an electron have?
a)
no charge
b)
positive
c)
neutral
d)
negative
15.
Complete the statement. __________ can make it feel cooler than it is and__________ can make it feel warmer than it is.
a)
Wind, humidity
b)
Humidity, precipitation
c)
Precipitation, wind
d)
Humidity, wind
16.
What type of air mass forms over land?
a)
Continental
b)
Maritime
c)
Tropical
d)
Polar
17.
What type of air mass is associated with warm, moist and unstable air?
a)
Continental Polar
b)
Maritime Polar
c)
Maritime Tropical
d)
Continental Tropical
18.
What type of front is nonmoving?
a)
Cold
b)
Warm
c)
Stationary
d)
Occluded
19.
In general, how does weather move across the United States?
a)
North to South
b)
South to North
c)
East to West
d)
West to East
20.
What is the number one weather related cause of death in the United States?
a)
Tornadoes
b)
Hurricanes
c)
Blizzards
d)
Flash Floods
21.
What is the chemical name for the element that has 6 protons?
a)
carbon
b)
calcium
c)
chromium
d)
cadmium
22.
What is the chemical name for the element that has 12 protons?
a)
molybdenum
b)
metal
c)
manganese
d)
magnesium
23.

What is the chemical name for the element that has 2 protons?

(a)  

24.

What is the chemical name for the element that has 20 protons?

(a)  

25.

What is the chemical name for the element that has 11 protons?

(a)  

26.

What is the chemical symbol of the element with 1 proton?

(a)  

27.

What is the chemical symbol of the element with 8 protons?

(a)  

28.

What is the chemical symbol of the element with 11 protons?

(a)  

29.

What is the chemical symbol of the element with 56 protons?

(a)  

30.

What is the chemical symbol of the element with 35 protons?

(a)  

31.

What is the atomic number for Nitrogen?

(a)  

32.

What is the atomic number for Argon?

(a)  

33.

What is the atomic number for Boron?

(a)  

34.

What is the atomic number for Potassium?

(a)  

35.

What is the atomic number for Neon?

(a)  

36.
Bonus: Sometimes when a jar of honey is left unstirred for a long time, solid crystals of honey form on the bottom of the jar. Describe a method for returning the honey to a spreadable form without having to open the jar.
4 lines
37.
What subatomic particle is electrically neutral (no charge)?
a)

Proton

b)

Ion

c)

Neutron

d)

Electron

38.

What is the smallest particle that has all the properties of an element?

a)

Compound

b)

Molecule

c)

Element

d)

Atom

39.

Atoms are composed of

a)

Nothing, they are the smallest unit

b)

molecules

c)

protons neutrons and electrons

d)

all of the above

40.

Identify the number protons, electrons and neutrons?

a)

Protons: 78 Electrons: 78, and Neutrons: 117

b)

Protons: 78, Electrons 78 and Neutrons: 118

c)

Protons: 78 Electrons: 47 and Neutrons 83

d)

Protons: 78, Electrons 117 and Neutrons 78

41.

Neutrons and protons in the nucleus of an atom.

a)

Atomic Number

b)

Atomic Mass

c)

Period

d)

Group

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