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8th Grade Science Year End Competition

Total questions: 58

Worksheet time: 44mins

Name
Class
Date
1.

Most of the mass of the solar system is concentrated in the Sun which thus exerts the force called __________ that holds the system together.

a)

Gravity

b)

Fusion

c)

Fission

d)

Solar Wind

2.

Which of the following sets contains only objects that shine as a result of reflected light?

a)

moons, planets, and comets

b)

moons, comets, and stars

c)

planets, stars, and comets

d)

planets, stars, and moons

3.

Arrange the following from smallest to largest:

Universe, Planet, Galaxy, Star

a)

Universe, Galaxy, Star, Planet

b)

Star, Planet, Universe, Galaxy

c)

Planet, Star, Galaxy, Universe

d)

Galaxy, Planet, Universe, Star

4.

A boundary in which 2 plates move together

a)

convergent

b)

divergent

c)

transform

5.

A region where the rigid plates are moving apart (away from each other)

a)

Convergent

b)

Divergent

c)

Transform

6.

A boundary in which 2 plates slide past each other

a)

transform

b)

Divergent

c)

Convergent

7.

Process that forms new sea floor

a)

mid-ocean ridge

b)

continental drift

c)

sea-floor speading

8.

What evidence was NOT used by Wegener as proof of continental drift?

a)

land features

b)

erosion

c)

climate

d)

fossils

9.

Any trace of an ancient organism that has been preserved in rock is called a

a)

landform

b)

continent

c)

fossil

d)

landmass

10.

What is Pangea?

a)

the name of a German scientist

b)

the name of a supercontinent that existed millions of years ago

c)

another name for continental drift

d)

the name of an ancient fossil

11.

Most geologists think that the movement of Earth's plates is caused by

a)

conduction

b)

earthquakes

c)

convection currents in the mantle

d)

Earth's magnetic field

12.

Which is the process that breaks up rock on Earth’s surface?

a)

deposition

b)

melting

c)

compaction

d)

weathering

13.

Geologists have classified rocks into three major groups of rocks which are:

a)

inorganic, organic and chemical rocks

b)

igneous, sedimentary and metamorphic rocks

c)

metamorphic, chemical and non chemical rocks

d)

sedimentary, inorganic and igneous rocks

14.
This rock was another type of rock that was heated and compressed over time. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
15.
This rock started as molten magma. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
16.
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
17.
True or False: Once a rock is sedimentary, it cannot become an igneous rock.
a)
True
b)
False
18.
The diagram show layers of sedimentary rocks and examples of their fossils. Which layer contains the oldest fossils?
a)
 Layer 1
b)
Layer 2
c)
Layer 3
d)
Layer 4
19.
Name the moon phase
a)
waning crescent
b)
waxing crescent
c)
waning gibbous
d)
waxing gibbous
20.

Name the moon phase

a)

First Quarter

b)

Third Quarter

c)

New Moon

d)

Full Moon

21.
Name the moon phase that would come AFTER this moon.
a)
waning crescent
b)
waxing crescent
c)
waning gibbous
d)
waxing gibbous
22.

Which moon phase is shown in this diagram?

a)

new moon

b)

1st quarter

c)

full moon

d)

3rd quarter

23.

Which moon phase is shown in this diagram?

a)

new moon

b)

first quarter

c)

full moon

d)

3rd quarter

24.
A lunar eclipse only happens during a ________ moon.
a)
New
b)
Cresent
c)
Gibbous
d)
Full
25.
This severe weather involves lightning, rain, and forms from a cumulonimbus cloud.
a)
thunderstorm
b)
tornado
c)
hurricane
d)
blizzard
26.
What is the most abundant gas found in the atmosphere?
a)
Carbon Dioxide
b)
Nitrogen
c)
Oxygen
d)
Water Vapor
27.
Humidity is the...
a)
Amount of Water Vapor in the Air
b)
Amount of Wind in the Air
c)
Amount of Precipitation in the Air
d)
Amount of Pressure in the Air
28.
Warm air near the Earth’s surface rises and then cools and drops, this creates a _________________ in the atmosphere.
a)
run-off
b)
Greenhouse Effect
c)
convection current
d)
water cylce
29.

The blanket of gases that surrounds the Earth

a)

Lithosphere

b)

Atmosphere

c)

Hydrosphere

d)

Fleece

30.
What type of storm front is this? 
a)
warm front
b)
cold front
c)
stationary front
d)
occluded front
31.
_____________ air is more dense and tends to sink
a)
cold
b)
warm
c)
moist
d)
dry
32.
Which system results in drier, fairer weather?
a)
high pressure
b)
low pressure
c)
hurricane
d)
weather system
33.
Uranus is different that other planets because it rotates on it's side. 
a)
True
b)
False
34.
Hydrogen and Helium make up the _______.
a)
Inner Planets 
b)
Gas gaints
c)
Middle Planets 
d)
Terrestrial Planets 
35.
The motion of a body orbiting another body in space is called _____.
a)
revolution 
b)
period of revolution
c)
rotation
d)
period of rotation
36.
Located between the inner and outer planets.
a)
Sun
b)
Asteroid belt
c)
Uranus
d)
Moons
37.
The greater mass a planet has, 
a)
the greater the gravitational force it has
b)
the less gravitational force it has
c)
gravitational force does not depend on mass
38.
The order of the planets is:
a)
Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune
b)
Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus
c)
Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune
d)
Mercury, Earth, Venus, Mars, Saturn, Jupiter, Neptune, Uranus
39.
The spinning of an object on its axis is called______
a)
orbit
b)
rotation
c)
revolution
d)
tide
40.

How old do Paleontologists believe the Earth is?

a)

2019 years old

b)

3.6 billion years old

c)

4.6 billion years old

d)

4.6 million years old

41.
When we discuss greenhouse gases what is the main one we discuss?
a)
Methane (CH4)
b)
Carbon Dioxide (CO2)
c)
Nitrous oxide (N2O)
d)
Flourinated gases
42.
Principle that states in a sequence of undisturbed rocks, the oldest rocks are on the bottom and the rocks become progressively younger toward the top 
a)
superposition 
b)
uniformitarianism
c)
half-life
43.

Correctly sequence the layers of rocks oldest to youngest

a)

A, D, C, B, E

b)

E, B, C, D, A

c)

B, E, C, D, A

44.
Snow, sleet, hail, and rain are all examples of  ________________. 
a)
evaporation
b)
condensation
c)
accumulation
d)
precipitation
45.
What is the energy source for the water cycle?
a)
the sun
b)
the earth
c)
water
d)
the moon
46.
During which stage do clouds form?
a)
condensation
b)
evaporation
c)
precipitation
47.

How does hail form

a)

Rain hits the freezing level

b)

Thunderstorm updrafts are strong enough to keep rain in the freezing level

c)

All rain is hail that melts

48.
What are the three main layers of the Earth?
a)
Center, Middle, Outer
b)
Center, Mantle, Crush
c)
Core, Mantle, Crust
d)
Core, Middle, Crush
49.
It is possible to drill through the crust.
a)
Sure, they have already done it.
b)
Yeah, they will get it done soon.
c)
No way, it would make the world explode
d)
Nah, we've only drilled a little bit, like 1/100th of the way through.
50.
What does the earth's tilt cause?
a)
The seasons
b)
Day and Night
c)
Tsunamis
d)
Earthquakes
51.
What season is it in the Southern Hemisphere when it is fall in the Northern Hemisphere?
a)
winter
b)
spring
c)
summer
d)
fall
52.
T/F: Some greenhouse gases are naturally present in the Earth's atmosphere
a)
True
b)
False
53.
What effect does a large body of water usually have on a nearby landmass?
a)
The water causes cooler summers and colder winters. 
b)
The water causes cooler summers and warmer winters. 
c)
The water causes hotter summers and warmer winters. 
d)
The water causes warmer summers and colder winters. 
54.

On the leeward side of a mountain, you might find _____.

a)

Heavy rainfall

b)

Desert

c)

More vegetation

d)

More snow

55.
A solar eclipse only happens during a ________ moon.
a)
New
b)
Cresent
c)
Gibbous
d)
Full
56.
Corn, wheat, and soybeans can be made into a substance called ethanol. In some places, ethanol is part of a mixture used to power cars and trucks. What type of alternative energy resource is ethanol?
a)
Hydroelectric
b)
Geothermal
c)
Biofuels
d)
Solar
57.
What are fossil fuels?
a)
Dinosaur bones
b)
Resources made from once living organisms 
c)
Combination of different rocks
d)
Gas Stations
58.

Fossil fuel burning releases large amounts of _______________.

a)

oxygen

b)

carbon dioxide

c)

nitrogen

d)

carbon monoxide

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