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WorksheetsUnit 4 Review (lessons 1-4)
Total questions: 148
Worksheet time: 2hrs 50mins
The larger the amplitude, the less energy
true
false
Compressions are...
associated with transverse waves
associated with longitudinal waves
light waves
visible light
Mechanical waves can be transverse or longitudinal waves
True
False
High frequency equals
high energy
low energy
no change in energy
none of the above
Wave height
frequency
wavelength
amplitude
wave speed
The number of waves that pass in a given amount of time.
wavelength
wave speed
amplitude
frequency
Why does refraction occur?
Light travels through different materials at different speeds.
Different colors of light travel at different speeds.
Different materials physically twist light around.
Light from different sources travels at different rates.
Only a minute portion of the electromagnetic spectrum can be seen with the human eye. In this context, what does "minute" mean?
Colorful
Large
60 seconds
Small
When you look at your teacher's face, how can you see it?
Light reflects off of his or her face.
His or her face emanates light.
Light refracts through his or her face.
His or fer face emits electromagnetic radiation.
Why does the light we see from stars take thousands of years to reach us?
Because the light is slowed down by gases in outer space
Because the light is reflected off of other stars
Because the stars are very far away
Because light travels very slowly
At what point is the laser being reflected?
A
B
C
D
Which of these provides the best explanation for why the pencil appears broken?
The pencil absorbs the light rays that hit it.
Water reflects light rays away from the pencil.
Light rays are bent by the water in the glass.
The surface of the water reflects the light rays.
Caleb is sitting near the window on a sunny day. When he closes the curtain, the room becomes darker. What property of the curtain allows it to make the room darker?
The curtain absorbs light.
The curtain is brightly colored.
The curtain folds easily.
The curtain is rectangular shape.
Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?
Which of the following is the best example of an object absorbing light?
A black sweater in the sun.
A clean window in the sun.
A curved mirror in the sun.
A long shadow in the sun.
Which object refracted the laser beam?
Silver locket
Picture frame
Glass marble
Notebook
Which of the following types of electromagnetic radiation has the shortest wavelengths?
Infrared
Ultraviolet
Visible light
Radio waves
Which portion has the longest wavelengths?
A
B
C
D
Our eyes perceive colors because of differences in which of the following properties of light?
Intensity
Wavelength
Angle
Source
Adrian is observing a piece of white paper. His eye perceives the paper to be white because his eye is receiving what kind of light?
Light in all the colors of the visible spectrum.
Light mostly at the ultraviolet end of the spectrum.
Light mostly at the infrared end of the spectrum.
Light the paper produces when heated by the Sun.
The energy that is radiated to Earth by the Sun includes visible light, infrared radiation, ultraviolet radiation, and other types. These different forms of radiation are distinguished based on what property?
Amplitude
Wavelength
Speed
Intensity
Sunlight is a mixture of electromagnetic waves, ranging from infrared to ultraviolet. Which of the following types of electromagnetic radiation has the longest wavelengths?
Infrared
Ultraviolet
Visible light
Radio waves
You can't hear sounds in outer space because there is no
medium
light
energy
heat
All waves carry ________ as they travel from one place to another.
matter
space
energy
water
Which wave in the diagram has the greatest wavelength?
1
2
3
4
What is the amplitude of this wave?
4
8
2
6.3
What is the wavelength of this wave?
4
8
3.3
6.3
Resources that are not able to be reproduced as quickly as they are used are called _____.
renewable resources
replaceable resources
non renewable resources
non replaceable resources
Geothermal energy uses heat from ____ to produce electricity.
the earth
coal
oil
natural gas
Renewable resources ...
are not replaceable
are used more frequently than non renewables
are never going to run out
going to run out
What type of power plant uses the potential energy of water trapped behind a dam?
nuclear power plant
hydroelectric power plant
solar station
coal burning power plant
What are fossil fuels?
coal, oil, uranium
oil, natural gas, uranium
coal, oil, natural gas
geothemals, coal, natural gas
A photovoltaic cell captures ____ to be used for power.
wind
water
coal
sunlight
Which of these is non renewable
natural gas
water in a dam
solar power
wind energy
If a population grows larger than its environmental carrying capacity, then
death rate may rise.
death rate may fall significantly.
birth rate may rise significantly.
immigration rate may increase.
What does the term carrying capacity describe?
The maximum number of birth rates for a population.
The ability of a population to accept new immigrants.
The ratio of birth rates to death rates in a population.
The population size that the environment can sustain.
The human population is now about
300 million
1.3 billion
7 billion
12 billion
Per-capita is:
A unit of measurement that means “for each person”
A unit of measurement that means “total”
A device used to purify and clean water
A device used to gather water from aquifers
Claim: the consumption of natural resources by humans has a negative impact on the environment. What data would provide evidence for this claim?
Increased human lifespan and increased ice cap size
Increased human population and decreased habitats for plants and animals
Increased consumption of resources by humans and increased biodiversity (variety) in nature
Increased of fossil fuel burning by humans and decreased use of other resources
Ths graph presents data from a city showing the amount of land used to bury solid waste each year. From 1990 to 1999, the amount of space needed to bury waste increased by 1 to 2 square kilometers per year. In the year 2000, the city started a recycling program to slow the increase of land needed for this burying this solid waste. The city claims that since this recycling program started, the amount of land needed for burying solid waste has decreased.
Which evidence would support this claim?
Data showing that by the year 2010, more than 40% of the citizens were participating in the recycling program
Data showing that the land used for burying solid waste in 2010 was less than 22 square kilometers
Data showing that by the year 2010, there was five times more solid waste being buried than being recycled
Data showing that the land used to build a recycling facility is greater than the amount of land used to bury solid waste
The fertilizers that farmers use to improve the growth of crops can result in excess nitrogen in water that flows into ponds and lakes. This sometimes results in a rapid growth of algae, called an algal bloom, killing fish. What data might be collected to monitor the amount of excess nitrogen in local water systems?
The rate of crop growth
The size of ponds and lakes
The frequency of algal blooms
The kinds of fish that eat algae
Claim: Carbon dioxide (CO2) emissions can be reduced by increasing the amount of electricity produced by wind.
Which pair of graphs, showing data for CO2 emissions and wind production of electricity would support this claim?
How can consumers help reduce the amount of waste in landfills?
recycling materials
reducing the amount of consumption of goods
reusing materials
put the materials in a trash bag
As the human population increases, so does the consumption of natural resources. What are some ways this impacts natural ecosystems and environments?
negative impact
positive impact
habitat loss
environmental pollution
What type of data would be required to show that the
amount of carbon dioxide emissions from the burning of fossil fuels for energy can be reduced by using
renewable resources?
the amount of emissions from the burning of fossil fuels
the amount of scrubbers on a smoke stack
the amount of emissions from renewable sources
the amount of renewable resources in a landfill
Using up a resource.
consumptions
being wasteful
pollution
emitted
A resource that can be replaced in a human lifetime.
renewable
nonrenweable
consumption
lucky
The people or animals living in a particular area.
population
species
community
consumer
A resource that cannot be replaced in a human lifetime.
nonrenewable
renewable
consumer
population
The _____________ the human population, the ______________ the amount of resources being used.
greater, greater
greater, least
least, greater
least, least
__________________________ can help _________________________ the amount of natural resources being wasted. One example is to turn off the faucet when brushing your teeth.
consumers, reduce
consumers, increase
natural resources, greater
population, consumes
Pick two ways we can help reduce waste by recycling.
recycle paper & plastic
putting trash in the landfill
create new products from trash
doing small loads of laundry
Pick 3 effects humans might see with the over-consumption of a natural resource.
Destruction of natural habitats
shortage of food and/or water
greater weathering and erosion.
larger landfills
Which of the following is an example of a renewable energy resource?
Natural gas
Hydroelectric Power
Coal
Nuclear Energy
Petroleum
Why is developing renewable energy important to life on Earth?
Nonrenewable energy sources will be used up and gone forever
We will run out of energy, renewable energy can last forever
Renewable energy produces less pollution
All of the above
What type of renewable energy comes from building dams on rivers?
Wind Energy
Solar Energy
Hydroelectric Power
Geothermal Energy
Hydrogen
What is one advantage of solar energy?
Can run both in day and night
Cheap upfront cost
No carbon emissions
Can be used in any parts of the world
What happened with solar power capacity from 1998 to 2004?
Increased
Decreased
Stayed the same
Increased and then decreased
How many MWatts did solar energy power increase from 2008 to 2012?
20 MWatts
84 MWatts
54 MWatts
12 MWatts
Which renewable energy source presented in the graph will have the highest decrease in the cost from 2002 to 2030?
Hydro
Biomass
Wind
Solar
Which nonrenewable resource usage will decrease the most from 2011 to 2040?
Nuclear
Coal
Petroleum
Biomass
Natural gas
Which renewable resource usage will increase the most from 2011 to 2040?
Hydropower
Petroleum
Nuclear
Other renewables
Biomass
What percentage of nonrenewable energy is predicted to be used in 2040?
87%
22%
91%
70%
54%
Students decide to remove the litter from an abandoned park and plant trees. Which of the following observations provides the best evidence that the action of the students has had a positive effect on the health of the park ecosystem?
The number of human visitors decreases.
The level of yearly precipitation increases.
The number and diversity of animals increases.
The average daily high temperature decreases.
This graph provides data on the amount of water needed to grow four different crops, each used to produce ethanol, a fuel. For each crop, the data shows how many liters of water are needed to produce one liter of ethanol fuel. Which of the following would require using the most water?
Producing 100 L of ethanol from sugar cane
Producing 200 L of ethanol from sugar beet
Producing 300 L of ethanol from potatoes
Producing 400 L of ethanol from corn
The table provided shows land use for different crops and the yield of each crop. A farmer wishing to have the smallest impact on the environment might choose to grow a crop that would use the least amount of land. In this case, which of the following crop yields should the farmer choose?
100 bushels of soy beans
200 bushels of sweet potatoes
300 bushels of wheat
400 bushels of corn
Spix’s macaw is an endangered species of bird native to Brazil. The population of the bird has declined over the past 30 years. During this same period, much of the Brazilian rainforest habitat of the bird has been lost due to logging. What data would best support the claim that logging is a likely cause of the decline in the population of Spix’s macaw?
The trees harvested by logging are not those that are usually the home to this bird.
This bird is a popular pet and has been bred successfully in captivity.
The population of this bird was relatively constant before logging began.
The land cleared by logging is often taken over by farmers for growing crops.
The pie chart provides data on the sources and amounts of different pollutants entering the oceans. The greatest reduction in pollutants entering the ocean could be achieved if it were possible to reduce, by half, which source of pollution?
Transportation
Farming
Industry
Sewage
How long are global oil reserves expected to last?
1,500 years
150 years
75 years
50 years
As countries become more developed, the demand for
commercial energy sources increases.
subsistence energy sources increases.
nuclear energy sources decreases.
commercial energy sources decreases.
fossil fuel decreases.
Which of the following is an analog technology?
What kind of wave is this?
analog
digital
neither
Which type of waves can be stored as binary code?
analog
digital
both analog and digital
neither
When you send a text message to the friend, what happens first after you have typed your message?
the phone encodes the letters of your message using ones and zeros
the phone sends an analog wave representing your message to another phone
the phone produces an electromagnetic wave with constant amplitude and frequency
the phone decodes the zeros and ones and converts them into letters
What kind of wave is this?
analog
digital
neither
Which type of wave is it easier to remove "noise" from when sending information from one place to another?
analog
digital
both are equally difficult to remove noise from
neither type of wave picks up noise
Which type of wave is best described as smooth and continuous?
analog
digital
both analog and digital
neither
What type of waves are most often used in sending digital signals through cell phones or other communication devices?
radio waves
mechanical waves
ultraviolet waves
infrared waves
True or false: Both analog and digital waves can be used to send messages or other communication from one place to another.
True
False
What type of signal does a computer use?
analog
digital
it could use either analog or digital
it uses neither
A big disadvantage of digital technology is the recording does degrade over time.
True
False
Identify a disadvantage of an analog signal:
Requires low power
Doesn't get interference
When copied, quality goes down
Hardware is usually small
Which of the following is an example of an Analog signal?
Both of these
Neither of these
Which Yoshi has more information?
A
B
