Public Health
Environment
Food Safety and Hygiene
Ecology
Disease
100
Washing these with soap and water is one of the easiest ways to stop germs from spreading. 
What are your hands?
100
What gas do plants take in that humans do not?
Carbon dioxide
100
What is the minimum amount of time you should wash your hands with soap and water? (Closest answer gets it too)
What is 20 seconds?
100
Animals that eat only plants?
What are herbivores?
100
What is this disease called when you ingest or come in contact with a poisonous plant/ its toxins
What is Plant Poisoning
200
This common habit, often started in teens, greatly increases the risk of lung cancer and heart disease.
What is Vaping?
200
Which biome has the greatest biodiversity on Earth?
What is Tropical Rainforest?
200
What are tiny organisms that can contaminate food and cause illness?
What are pathogens?
200
When one species benefits and the other is harmed?
What is parasitism?
200
Breathing in polluted outdoor air, especially smog, can worsen this common chronic lung condition.
What is asthma?
300
This term describes actions like exercising, eating healthy, and getting vaccinated that help stop disease before it starts.
What is prevention?
300
What term describes the maximum population size that an ecosystem can sustainably support?
What is Carrying capacity?
300
Eating raw cookie dough or raw eggs could cause which of the following foodborne illnesses?
What is Salmonella?
300
Animals waking up and becoming active at night?
What are nocturnal animals?
300
Mold growing in damp buildings often causes this type of reaction, including sneezing and itchy eyes.
What are allergies?
400
This government agency in the U.S. is responsible for tracking disease outbreaks and giving public health guidance, especially during emergencies.
What is the CDC?
400
What oceanic phenomenon causes periodic warming of the Pacific Ocean and can alter global weather patterns?
What is El Niño?
400
What occurs when harmful bacteria spread from one surface of food to another?
What is cross-contamination?
400
A unique type of symbiosis where one organism lives inside another, such as bacteria in human intestines?
What is endosymbiosis?
400
This gas from car exhaust and faulty heaters can cause headaches and dizziness when breathed in.
What is carbon monoxide?
500
This type of study asks people about their exposures and health outcomes at a single point in time, making it useful for estimating importance.
What is a cross-sectional study?
500
What layer of the atmosphere contains the ozone layer?
What is the stratosphere?
500
Raw chicken must be cooked to this internal temperature to kill harmful bacteria like Salmonella.
(Closest answer gets it too):max_bytes(150000):strip_icc()/GettyImages-874776038-5aac25d33de423003618328a.jpg)
What is 165°F?
500
A graph showing how the probability of survival decreases with age, such as in humans or whales?
What is a Type I survivorship curve?
500
Children exposed to this heavy metal, found in old pipes and paint, may develop learning and behavior problems.
What is lead?