WorksheetsHomework week 3
Total questions: 41
Worksheet time: 2hrs 33mins
Name
Class
Date
1.
What two gases make up the majority of air?
a)
helium & argon
b)
helium & oxygen
c)
ozone & nitrogen
d)
nitrogen & oxygen
2.
Which layer of the atmosphere is where most weather happens?
a)
Troposphere
b)
Exosphere
c)
Stratosphere
d)
Mesosphere
3.
Atmosphere layers are distinguished by their _____
a)
composition
b)
temperature
c)
altitude
d)
all of the above
4.
The ______ is the layer of the atmosphere nearest to Earth's surface.
a)
exosphere
b)
troposphere
c)
stratosphere
d)
ionosphere
5.
Layer of Earth's atmosphere where weather occurs
a)
thermosphere
b)
mesosphere
c)
stratosphere
d)
troposphere
6.
What is our best evidence that Earth has a magnetic field?
a)
All things fall toward Earth's center
b)
A compass needle lines up with it
c)
Winds blow from east to west
d)
Earth's oceans all have currents
7.
Why does a compass needle point north?
a)
The compass is a bar magnet
b)
Because north is up
c)
Because it's magic
d)
It lines up with the Earth's magnetic field
8.
during the water cycle when it changes from a liquid to a gas
a)
evaporates
b)
freezing
c)
precipitation
d)
contract
9.
What is Gases?
a)
Gases are soft?
b)
Gases spread to fill the space they are in.
c)
Gases are hard
d)
Gases are wet
10.
Which of these is true for a liquid?
a)
Particles can move freely
b)
Particles vibrate about a fixed position
c)
Particles are held by strong inter-molecular forces
d)
Particles are regularly arranged
11.
Assuming the graph shown is for water which section shows a change of state from solid to liquid?
a)
A-B
b)
B-C
c)
C-D
d)
D-E
12.
Matter that have volume, but no shape
a)
Matter
b)
Volume
c)
Liquid
d)
Atom
13.
The amount of space that matter takes up
a)
Matter
b)
Volume
c)
Liquid
d)
Atom
14.
When a gas (vapor, steam) cools and changes into a liquid
a)
gas
b)
balance
c)
physical property
d)
condensation
15.
What is the law of conservation of matter? Best Answer
a)
A set of rules that you have to follow to conserve matter
b)
Nothing can be created or destroyed and conservation means the same.
c)
They should all be equal
16.
This is made up of one or more of the SAME kind of atom:
a)
Element
b)
Mixture
c)
Compound
d)
Matter
17.
Water is an element.
a)
true
b)
false
18.
Which of these is not a chemical reaction?
a)
Burning of wood
b)
Milk going bad
c)
Mixing vinegar and baking soda
d)
Melting of ice
19.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
20.
Thermal energy ALWAYS moves from _____ to _____.
a)
solid to liquid
b)
ice to water
c)
hot to cold
d)
solid to gas
21.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
22.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
23.
The atmosphere is defined in layers based on what property?
a)
Temperature
b)
pressure
c)
low albedos
d)
Convection Currents
24.
What is the original energy source for the electrical circuit in the diagram?
a)
insulated wires
b)
music
c)
solar cells
d)
sun
25.
Which energy transformation occurred?
a)
chemical energy transformed into light and heat energy.
b)
Electrical energy transformed into light and heat energy.
c)
Heat energy transformed into light and electrical energy.
d)
Light energy transformed into heat and chemical energy.
26.
What is a example of a abiotic factor?
a)
Panda
b)
Turtle
c)
Butterfly
d)
weather
27.
What is an example of a biotic factor?
a)
skunk
b)
rocks
c)
soil
d)
water
28.
Temperature, light, air, water, and soil are all _____ parts of the environment
a)
alive
b)
biotic
c)
abiotic
d)
living
29.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
30.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
31.
"Bio" means _________.
a)
non-living
b)
not/without
c)
life
d)
dead
32.
What happens when humans cut down forests to build shopping malls?
a)
Plants and animals thrive in the new environment and pollution decreases.
b)
New animals species form and plants produce more oxygen.
c)
The shopping mall reduces the amount of pollution in the area.
d)
Habitat is altered, plants and animals destroyed, and pollution increases.
33.
What will most likely decrease the size of a habitat?
a)
Clearing land to build a house.
b)
Using public transportation.
c)
Recycling once a week.
d)
Conserving water on a daily basis.
34.
The hemisphere where you live
a)
equator
b)
southern
c)
northern
d)
eastern
35.
What causes there to be longer number of hours of light during the summer
a)
Earth tilt's away from the sun in summer
b)
Earth's revolves slower in summer
c)
Earth tilts toward the sun in summer
d)
Earth is closer to the sun
36.
In winter, the axis of the earth is pointed away or toward the sun?
a)
towards
b)
up
c)
down
d)
away
37.
Why is the Equator warmest?
a)
Because it is closest to the sun.
b)
Because it receives the most direct sunlight
c)
Because no clouds form here.
d)
Because it is far from the sun
38.
Winds are caused by differences in
a)
precipitation
b)
humidity
c)
air pressure
d)
turbulence
39.
This is the symbol for which type of front?
a)
cold front
b)
warm front
c)
occluded front
d)
stationary front
40.
What is a boundary area where air masses meet but do not mix?
a)
low pressure system
b)
super cell
c)
front
d)
high pressure system
41.
If an air mass is sinking, it must be
a)
cold and less dense
b)
cold and more dense
c)
warm and more dense
d)
warm and less dense
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