Vocabulary
What is a group of the same kind of living thing called?
a population
What is something good we do to protect Earth?
There a different answers, up to the teacher to decide if student is correct.
What is recycling?
the action or process of converting waste into reusable material
what is pollution?
a substance or thing that has harmful or poisonous effects on the environment
Has the human population increased or decreased from 1920?
increased
Nonliving and living surroundings
environment
What is something bad we do to Earth?
There a different answers, up to the teacher to decide if student is correct.
What is an example of a renewable energy source?
water, wind, sunlight etc
to drop rubbish on the ground in a public place
littering
what would a frog's habitat be?
swamp
The place where a plant or animal lives and produces seeds or babies
habitat
what do plants produce that we breathe?
oxygen
What do we breathe out that plants take in?
carbon dioxide
What is overfishing
catching too many fish at once, so the breeding population becomes too depleted to recover
In the past, people’s habitats depended on how they got their what?
Food
what is a resource that can be replaced relativity quickly
renewable resource
What environment does everyone on Earth share?
global environment
Tilling, or digging, loosens and mixes the soil. Is this good or bad for the environment?
Good! It allows roots, worms, and water to move easily through loose soil.
What are three factors that contribute to the decline of our environment?
pollution, litter, population
Harvesting the crops leaves the soil exposed to what?
wind and erosion
substances in the air that help keep Earth warm
greenhouse gases
substances used to kill living things that eat crops
pesticides
what is a national wildlife refuge
area of land and water where fish, wildlife and plant resources can grow in their habitats
what is polluted precipitation
acid rain
what does the word absorb mean?
take in or soak up