Lesson 1.1: Introduction to Physics
Physics is the study of matter, energy, and the forces that shape the universe.
Example: "Gravity pulls objects toward Earth, keeping us on the ground."
Quiz: What does physics study?
How to get the right answer:
Think about how physics explains motion, electricity, gravity, and even light!
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Lesson 1.2: Speed and Velocity
Speed is how fast something moves, while velocity includes direction.
Example: "A car traveling 60 mph north has a velocity, not just speed."
Quiz: What is the difference between speed and velocity?
How to get the right answer:
Think about how a GPS tells you both how fast youβre moving and in which direction!
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Lesson 1.3: Acceleration
Acceleration is a change in velocity over time.
Example: "A car going from 0 to 60 mph in 5 seconds is accelerating."
Quiz: What is acceleration?
How to get the right answer:
Think about how when you press the gas pedal, the car speeds up, meaning it accelerates!
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