Physical Science 1st Semester Test

What is a system of knowledge and the methods used to find that knowledge?

• Science

• Technology

• Measurement

• Curiosity

Tags

NGSS.MS-LS1-1

Timers at a swim meet used four different clocks to time an event. Which recorded time is the most precise?

• 55 s

• 55.2 s

• 55.0 s

• 55.25 s

On the Celsius scale, at which temperature does water boil?

• 0°

• 212°

• 100°

• 32°

How is 0.00025 written in scientific notation?

• 25 x 10⁻⁵

• 2.5 x 10⁴

• 0.25 x 10⁻³

• 2.5 x 10⁻⁴

Which of the following is equal to 1 centimeter?

• 100 meters

• 1/10 of a millimeter

• 10 millimeters

• 1000 meters

The SI base unit of mass is the

• kg

• Kelvin

• meter

An organized plan for gathering, organizing, and communicating information is called a(an)

• Scientific method

• Hypothesis

• Theory

The variable on the x axis is the __________ variable.

• independent
• dependent

The measurement 0.014 seconds equals _____ milliseconds.

• 14
• 1.4
• 0.14

______ is the closeness of a measurement to the actual value being measured.

• Accuracy
• Preciseness

• Guessing