Microplastics
Milankovitch Cycles
Pollution
Sources of Energy
Wild Card
100
What are microplastics?
Tiny plastic particles smaller than 5 mm
100
Which Milankovitch cycle refers to changes in the shape of Earth’s orbit?
Eccentricity
100
List three of the 8 types of pollution:
Air, Water, Soil, Chemical, Thermal, Radioactive, Noise, & Light.
100
Name the five types of renewable energy sources we learned about:
Solar, Wind, Hydropower, Geothermal, & Biomass
100
What is the difference between renewable and non-renewable energy sources?
renewable is able to be naturally replenished
non-renewable is limited. once its gone, its gone.
200
Which type of clothing is safer from microplastics? Cotton or Polyster?
B. Washing synthetic clothes
200
What does Earth’s obliquity affect most directly?
Severity of seasons
200
Overuse of pesticides in farming damaging soil health is an example of what type of pollution?
Soil Pollution
200
What is the Earth's main source of Energy?
Solar Energy
200
TRUE OR FALSE: Precession directly changes how much total sunlight Earth gets and has no effect on when seasons happen during the orbit.
False
300
What is one major concern about microplastics and human health?
They may carry harmful chemicals into the body which could lead to cancer, stroke, gut health, or cardiovascular issues.
300
Which Milankovitch cycle is represented below?
Precession
300
How would light pollution harm animals in an ecosystem?
By disrupting natural daylight and night time hours that regulate their eating and sleeping schedules.
300
Fill in the blank: Fossil fuels are ________________ resources made from prehistoric ___________ & ____________.
non-renewable; plants & animals
300
Which orbital pathway represents high eccentricity?
The outermost orbital pathway.
400
Microbeads used in cosmetics like face scrubs and toothpaste are what type of microplastic?
Primary
400
Which cycle occurs every 41,000 years?
Obliquity Cycle
400
What was the name of the massive nuclear power plant accident in 1986 that resulted in deaths of 28 people from radiation poisoning?
Chernobyl
400
To attain ____________ energy, scientist use a process called nuclear fission, where heavy atoms like uranium are split into smaller atoms.
Nuclear
400
Considering the obliquity cycle, the Earth's axis tilt ranges from _____ to _____ degrees.
22.1 & 24.5
500
What is the difference between Primary & Secondary Microplastics? Give one example of BOTH.
Primary = tiny small particles made on purpose. Ex. Face scrub
Secondary = formed from larger plastics breaking down. Ex. Plastic bottles
500
If Earth is tilted at 24.5 degrees, will the temperatures closer to the north pole be warmer or colder?
Warmer temperatures
500
Viruses, molds, spores, bacteria, dust mites, and pollen are all examples of what specific type of Air Pollution?
Biological Pollutant
500
What is two pros and two cons to using Geothermal energy?
Pros: Low emission, Reliable, Small land footprint
Cons: Expensive upfront cost, location limitations, environmental risks
500
What type of renewable energy is organic material that comes from plants and animals and can be used as a source of energy?
Biomass