PES 1st Semester REVIEW

What is the special name of Family 2 on the Periodic Table?

• Alkali Metals

• Alkali Earth Metals

• Transitional Metals

• Aluminum Metals

What is the special name of Family 17 on the Periodic Table?

• Noble Gases

• Oxygen Group

• Nonmetal Gases

• Halogens

What is the special name of the Families 3-12 on the Periodic Table?

• Alkali Metals

• Alkali Earth Metals

• Radioactive Metals

• Transitional Metals

What are the things that are kept the SAME on purpose in an experiment called?

• dependent variables

• independent variables

• control variables

• precision variables

The THING that you change on PURPOSE in an experiment is called the what?

• Dependent Variable

• Independent Variable

• Control Variable

• Changing Variable

The results that you see in an experiment BECAUSE of what you did on purpose is called the what? (there may be more than one of them in an experiment)

• Dependent Variable

• Independent Variable

• Control Variable

• Resulting Variable

Which of the following is the LEAST precise?

• 3.6

• 3.2

• 2.9

• 3.1

Accuracy is _____________.

• consistency

• correctness

• constant

• none of these

Scientific evidence must be ___________ and _________.

• accurate and biased

• accurate and repeatable

• objective and repeatable

• testable and biased

A scientific explanation supported by much evidence collected over a long period of time is a ___________.

• law

• hypothesis

• theory

• deduction