What does environmental chemistry study?
How chemicals affect the air, water, soil, and living things.
Which element makes strong bones?
Calcium.
Which nutrient gives quick energy?
Carbohydrates.
Plants take nutrients from where?
Soil.
Name one way animals take in substances.
Breathing, eating, or through skin.
True or False: All chemicals are bad.
False.
What element helps plants grow green leaves?
Nitrogen.
Which nutrient gives the MOST energy?
Fats.
What tiny root parts help absorb nutrients?
Root hairs.
hat metal builds up in fish?
Mercury.
Too much fertilizer in water causes what?
Algae growth.
What happens to plants with low nutrients?
They turn yellow or grow poorly.
What are proteins made of?
Amino acids.
What gas enters the plant through stomata?
Carbon dioxide.
True or False: Amphibians can absorb chemicals through their skin
True.
Who tests the environment for chemicals?
Scientists.
Name one nutrient plants get from soil.
Nitrogen, phosphorus, potassium.
Who returns nutrients to the soil?
Decomposers.
True or False: Too much fertilizer is always good.
False.
Is DDT harmful or helpful?
Harmful.
What is one example of a harmful chemical in the environment?
Mercury, pesticides, cleaning products, fertilizer runoff.
Which element helps plants grow roots and flowers?
Phosphorus.
What nutrient does the brain use as its main energy source?
Glucose (a sugar).
What is one harmful substance animals can inhale?
Smoke, carbon monoxide, ozone.
What builds up in animals during bioaccumulation?
Toxins.