Kilometres per hour

High school (ages 12+)
Mathematics & Numbers

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/kilometres-per-hour

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the fundamental unit?Measures speed by distance (kilometres) covered in a unit of time (hour)
2. What is the global usage?Standard unit for road speed limits and vehicle speedometers in most countries
3. What does "kilometres per hour" mean?It tells how many kilometres you travel in one hour. It shows how fast something is moving.
4. Why do we use kilometres per hour instead of metres per second?Kilometres are easier to understand for everyday people, especially on road signs. It also makes it simple to compare speeds of cars, trains, and even animals.

Scalar Quantity: A measurement that only has magnitude, like speed.
Vector Quantity: A measurement that has both magnitude and direction, like velocity.
Derived Unit: A unit of measurement created by combining base SI units.