Physial Quantity - L1

Multiple Select

Which of the following combinations correctly matches the SI base unit with its symbol?

• Ampere - A

• Kelvin - K

• Mole - Mol

• All of the above

Multiple Choice

Which of the following is an example of a physical quantity and its correct unit?

• Length - meter

• Time - kilogram

• Mass - second

• Temperature - liter

Open Ended

Why is it important to understand physical quantities and their measurement in science and engineering?

Multiple Choice

What are the two main types of physical quantities and how are they different from each other?

• Base and Derived; base quantities are fundamental, derived are combinations of base quantities

• Mass and Length; mass is heavier, length is longer

• SI and Non-SI; SI is international, Non-SI is local

• Measured and Unmeasured; measured can be counted, unmeasured cannot

Multiple Choice

Which of the following is NOT a base quantity according to the SI system?

• Speed

• Mass

• Time

• Length

Fill in the Blanks

The SI unit for measuring temperature is

.

Open Ended

Explain how derived quantities are related to base quantities, giving at least one example.

Multiple Choice

What is the meaning of the prefix 'micro' in the SI system?

• 0.000001

• 0.001

• 0.01

• 0.000000001

Multiple Select

Select all the correct conversion factors for length from the options below:

• 1 m = 39.37 in

• 1 in = 2.54 cm

• 1 km = 0.621 mi

• 1 ft = 12 in

Multiple Choice

Which of the following is the correct conversion factor between kilometers and miles?

• 1 km = 0.621 mi

• 1 km = 1.609 mi

• 1 km = 2.54 mi

• 1 km = 3.281 mi

Fill in the Blanks

A warehouse is 20.0 yards long, 10.0 yards wide and 15.0 ft high. What is its volume in ft units? (1 yard = 3 ft)

Open Ended

Explain the steps required to convert the dimensions of a warehouse from yards to feet and then calculate its volume in cubic feet.

Open Ended

After learning about physical quantities and their units, do you have any questions or topics you would like to explore further?

Open Ended

Describe one physical quantity you learned about in this lesson and explain its importance in everyday life.