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Physics Revision

Forces, energy & electricity — part of Science on KODO.

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Physics is a core area of Science in the national curriculum. It covers essential concepts that build the foundation for GCSE study and beyond.

This topic includes subtopics such as Forces and motion, Energy stores and transfers, Electricity and circuits, Light, sound and waves and more. Each area is tested with multiple-choice questions that include detailed explanations to deepen your understanding.

Quick Reference

Speed formulaspeed = distance ÷ time
Ohm's LawV = I × R
Weight formulaweight = mass × gravity (W = mg)
Gravity on Earth≈ 10 N/kg (or 9.8 N/kg)

Key Definitions

Force
A push or pull that can change an object's speed, direction or shape. Measured in Newtons (N).
Speed
Distance travelled per unit of time. Speed = distance ÷ time.
Energy
The capacity to do work. Measured in Joules (J). Cannot be created or destroyed — only transferred.
Current
The flow of electrical charge around a circuit. Measured in Amps (A).
Voltage
The push that drives current around a circuit. Measured in Volts (V).

What You'll Cover

Forces and motion
Energy stores and transfers
Electricity and circuits
Light, sound and waves
Space and Earth
Energy (types and transfers)
Light and sound
Space

Test Yourself — Physics

Try 3 quick questions. No account needed.

Quick Quiz

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Memory Tricks & Mnemonics

"Speed = Distance ÷ Time" — the "DST triangle"

Cover what you want to find: D/S×T.

"V = I × R" (Ohm's Law) — "Very Important Rule"

Calculate voltage, current or resistance.

"Kinetic Starts with K for moving, Potential for stored"

Distinguish kinetic and potential energy.

Frequently Asked Questions

What is Forces and motion in Science Physics?+
Forces and motion is a key subtopic within Physics in Science. It's covered in the KS3 curriculum and tested in assessments. KODO provides multiple-choice questions with detailed explanations to help you master this area.
What is Energy stores and transfers in Science Physics?+
Energy stores and transfers is a key subtopic within Physics in Science. It's covered in the KS3 curriculum and tested in assessments. KODO provides multiple-choice questions with detailed explanations to help you master this area.
What is Electricity and circuits in Science Physics?+
Electricity and circuits is a key subtopic within Physics in Science. It's covered in the KS3 curriculum and tested in assessments. KODO provides multiple-choice questions with detailed explanations to help you master this area.
What is Light, sound and waves in Science Physics?+
Light, sound and waves is a key subtopic within Physics in Science. It's covered in the KS3 curriculum and tested in assessments. KODO provides multiple-choice questions with detailed explanations to help you master this area.
What is Space and Earth in Science Physics?+
Space and Earth is a key subtopic within Physics in Science. It's covered in the KS3 curriculum and tested in assessments. KODO provides multiple-choice questions with detailed explanations to help you master this area.
How many Physics questions does KODO have?+
KODO's Physics question bank is AI-powered and continuously expanding. Questions are multiple-choice with four options and include detailed explanations for every answer.
Is Physics revision on KODO free?+
Yes! KODO offers free daily quiz sessions for all topics including Physics. Revision cards are completely free with no limits. Pro users get unlimited quizzes and additional features.

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