Understanding Electrical Resistance
A Grade 6 science worksheet introducing electrical resistance, its causes, and effects.
Includes
Standards
Topics
Understanding Electrical Resistance
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Date:
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Read each question carefully and answer to the best of your ability. Some questions may require you to think about how electricity works.
What is Resistance?
Electrical resistance is a measure of how much an object opposes the flow of electric current. Think of it like friction for electricity. Materials that have high resistance slow down the flow of electricity, while materials with low resistance allow electricity to flow easily.
1. Which of the following best describes electrical resistance?
The speed of electricity
How much an object helps electricity flow
How much an object opposes the flow of electricity
The brightness of a light bulb
2. Materials with high resistance are called:
Conductors
Insulators
Batteries
Switches
3. Electrical resistance is like for electricity.
4. A material that allows electricity to flow easily has resistance.
5. A common electronic component designed to add resistance to a circuit is called a .
6. Copper wires have high resistance, which is why they are used in electrical circuits.
True
False
7. Look at the image below. This is an electrical resistor. What do you think is its main purpose in an electrical circuit?
8. Imagine you have two wires, one thick and one thin, both made of the same material and length. Which wire would you expect to have higher resistance, and why?
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