Unit Test 1 Science (Science Concepts)
Write the letter of the best answer.
- 1.Harmful things that are added to soil, air, or water are called _____.
- A.
Filters
- B.
Samples
- C.
Pollutants
- D.
Data
- 2.Biodegradable materials can safely be buried in ______.
- A.
Cooling ponds
- B.
Wetlands
- C.
Any ecosystem
- D.
Sanitary landfills
- 3.Which is NOT an example of recycling?
- A.
Burning trash in an incinerator
- B.
Using old newspapers to make cereal boxes and grocery bags
- C.
Composting food scraps and grass clipping
- D.
Returning glass bottles to be reused
- 4.Acid rain forms when _____.
- A.
Forest fires produce ashes and smoke that enter the air
- B.
Chemicals from burned fossil fuels mix with moisture in the air
- C.
The ozone layer in the atmosphere gets too thin
- D.
The water in lakes and ponds has a pH higher than 7
- 5.Using public transportation, turning off unneeded appliances, and washing clothes in cold water are ways to ______.
- A.
Reduce water pollution
- B.
Improve groundwater quality
- C.
Restore food chains
- D.
Conserve fossil fuels
- 6.Most of the trash produced in the United States is ______.
- A.
Paper
- B.
Metal
- C.
Plastic
- D.
Glass
- 7.Bodies of water are naturally cleaned by ________.
- A.
Organic farming
- B.
Mercury
- C.
Plants
- D.
Turbines
- 8.Which of the following is a nonrenewable resource?
- A.
Wood
- B.
Oil
- C.
Wind
- D.
Sunshine
- 9.Windstorm dust and volcano ash are kinds of ____.
- A.
Reclamation
- B.
Litter
- C.
Natural air pollutants
- D.
Sunshine
- 10.Heated water from power plants is sometimes pumped into rivers. This produces ______.
- A.
Thermal pollution
- B.
Global warming
- C.
Salt water
- D.
Electricity
- 11.Hearing damage and loss of sleep are two of the dangers of ______.
- A.
Light pollution
- B.
Noise pollution
- C.
Recycling
- D.
The greenhouse effect
- 12.Chemical fertilizers and pesticides sometimes used on farms can _______.
- A.
Produce methane gas
- B.
Pollute groundwater
- C.
Form smog
- D.
Purify waste water
- 13.Biomass, solar power, and hydrogen fuel cells are types of ______.
- A.
Geothermal energy
- B.
Air pollution
- C.
Catalytic converters
- D.
Alternative energy sources
- 14.The safest solution to oil spills is ______.
- A.
To burn the oils as it floats on the ocean surface
- B.
To collar the spill and pump it into another container
- C.
To spray chemicals that break up the oil
- D.
To prevent spills from happening in the first place
- 15.Materials in nature that living things need and use are known as ______.
- A.
Natural resources
- B.
Water cycles
- C.
Habitats
- D.
Particles
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