What do we call pollution that comes from one place, like a pipe?
Point source pollution
What gas do cars release that pollutes the air?
Carbon monoxide
What are the 3 Rs?
Reduce, Reuse, Recycle
What is a toxin?
Something harmful
What is pollution?
Anything harmful added to the environment
What do we call pollution that comes from many places, like farm runoff?
Nonpoint source pollution
What is smog?
Air pollution that makes the air look dirty/foggy
Where does most trash go?
Landfills
What happens when chemicals build up in your body over time?
Bioaccumulation
Name one type of pollution.
Air, water, or land
What is it called when too many nutrients cause algae to grow quickly?
Eutrophication
What type of smog forms in sunlight?
Photochemical smog
What does it mean to recycle something?
Turn it into something new
What happens when toxins increase up the food chain?
Biomagnification
What is a dead zone?
Water with little or no oxygen
Name ONE nutrient that causes eutrophication.
Nitrogen or phosphorus
What causes acid rain?
Polluted gases mixing with water in the air
What is composting?
Letting food/organic waste break down into soil
Name one harmful heavy metal.
Mercury / lead
What is one way humans can reduce pollution?
Recycle / use less plastic / conserve energy
What happens to fish when oxygen levels get too low?
They die
What is one effect of air pollution on humans?
Breathing problems
Name one thing you should NOT put in a landfill.
Batteries / hazardous waste
What can toxic chemicals do to living things?
Make them sick / harm them
Why is pollution bad for ecosystems?
It harms plants, animals, and humans