Science · Topic 38 of 64
Speed and Velocity
⭐ MasteredSpeed tells you how fast something moves. Velocity is speed plus direction, so 10 km per hour north is a velocity.
💡 Fun fact
A cheetah can reach speeds of about 110 kilometres per hour over short distances.
All about Speed and Velocity
Speed tells you how far something travels in a given time, such as 50 kilometres per hour. Velocity adds direction, so 50 kilometres per hour north is a velocity.
Knowing the difference helps you read road signs, plan journeys and understand science experiments.
🎮 Try it yourself!
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Real-life uses of Speed and Velocity
- Reading speed limits and road signs
- Planning how long a journey will take
- Comparing how fast animals and vehicles move
Frequently asked questions about Speed and Velocity
What is the difference between speed and velocity?
Speed is how fast something moves. Velocity is speed with a direction.
How is speed calculated?
Divide the distance travelled by the time taken.