Concepts & Practices
Physics is the study of this.
What is matter, energy, and their interactions?
The SI unit for mass.
What is the kilogram?
Number of sig figs in 0.00450.
What is 3?
Convert 60 seconds into minutes.
What is 1 minute?
“The liquid is blue” is this type of observation.
What is qualitative?
A step-by-step way scientists answer questions.
What is the scientific method?
Convert 100 cm to meters.
What is 1 meter?
Round 6.378 × 10³ to 2 significant digits.
What is 6.4 × 10³?
Convert 5 km into meters.
What is 5000 m?
“The temperature is 27°C” is this type of observation.
What is quantitative?
A guess or prediction you can test in an experiment.
What is a hypothesis?
The SI unit for electric current.
What is the ampere?
Multiply 2.5 (2 sig figs) × 3.42 (3 sig figs) and give the answer with correct sig figs.
What is 8.6?
Convert 25 m/s into km/h.
What is 90 km/h?
Which type of observation is based on numbers and measurements?
What is quantitative?
The information you collect during an experiment.
What is data?
Convert 3.6 km to meters.
What is 3600 m?
Add 12.11 + 18.0 + 1.013 with correct sig figs.
What is 31.1?
Convert 2 hours into seconds.
What is 7,200 seconds?
Which type of observation is used to describe characteristics without using numbers?
What is qualitative?
The part of the experiment that you change on purpose.
What is the independent variable?
Temperature in physics is measured using this SI unit.
What is the kelvin?
Why is the number of sig figs important in physics measurements?
(answers vary)
If distance = speed × time, what are the units of speed when distance is in meters and time is in seconds?
What is meters per second (m/s)?
A physics experiment records both types of observations. Why are both important?
(answers vary)