to cause a change in something
affect
signs, clues, or evidence that something was there
traces
No one (has gave, has given) more of her time to the environment than Marcia.
has given
The lightning _____ a fraction of a second to flash. (take)
took
Give an example of an ecosystem?
forest, desert, jungle
extremely large in amount, size, or area
vast
several, or more than one, from which to choose
variety
The time (had came, has come) to protect the environment.
has come
Sparks of electricity ____ out from the dangling key. (shoot)
shot
What is the main idea of "Ecology for Kids"
We need to protect the Earth and all it's ecosystems
against the rules or law
banned
group of organisms that produces organisms of the same kind
species
The scientist (has written, has wrote) about ecology many times.
has written
The experiment ____ scientists new views on electricity and lightning. (give)
gave
Why is the ozone layer important?
It protects us from the sun's radiation.
something that happens right away with nothing or no one in between
directly
natural areas where certain kinds of plants and animals live and grow
habitat
Base word and suffixes for "luckier"
luck, -y, and -er
Base word and suffix for "angrier"
angry and -er
The skies ____ clear earlier this morning. (was, were)
were
living things, such as plants or animals
organisms
invisible transfer of energy by waves through empty space
radiation
Anne fell asleep and dreamed that she growed to be as tall as a skyscraper.
grew
Base word and suffix for "tastiest"
taste, -y, and -est
Raindrops ____ plopping on the ground.
are