Unit 2 – Nature’s Balance

Science Vocabulary

amountThe amount of something is how much of it there

is.

Three hundred jelly beans is a large amount of candy.

behavior

Behavior is what a person or animal does.

Squirrels store nuts for the winter, it’s part of their behavior.

decrease

When something decreases, it becomes smaller in number, amount or in size.

The amount decreases after each slice is taken away.

increaseTo increase means to grow in size or in number.

When our dog eats too much food, its weight increases.

supplyA supply is the amount you have of

something.

They have a large supply of canned peaches.

Academic Vocabulary

balanceWhen things are in balance, they are

even.The two sides of the scale are in balance.

controlTo control means to make a person or thing

do what you want.

The boys control where the car goes.

interactTo interact means to act together.

The students interact with each other to do a science project.

reactWhen things happen, you usually react

to them.

The child reacts to the snowball.

scarceWhen something is scarce, its hard to find

or get.

Food is scarce in this store.