Vocabulary Review Use the terms in the box to complete the sentences.
1. You can share the results of an investigation with others
by using a(n)
bar graph
evidence
experiment
hypothesis
variable
2. An observation often leads to a testable question
known as a(n)
3. A planned study meant to answer a question is
called a(n)
4. It is very important to test only one
or thing that changes, at a time.
5. A hypothesis should be supported
by the