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Grade 2 Science Review: Electricity
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How does a switch stop electricity?
It makes a gap in the circuit!
Oops!
Okay!
What is more powerful: Cells or mains electricity?
Mains electricity
Oops!
Okay!
Tell me 1 thing this uses a buzzer.
Oops!
Okay!
Tell me 3 things that use electricity
Oops!
Okay!
Does this fan use a cell or mains electricity?
It uses mains electricity!
Oops!
Okay!
Cells or mains?
Cells!
Oops!
Okay!
Will the bulb turn on?
No, the circuit is not complete.
Oops!
Okay!
Is this cord safe to use?
No, it isn't!
Oops!
Okay!
Does electricity move in the metal or plastic part of the wire?
The metal part!
Oops!
Okay!
What it this called?
It's a switch!
Oops!
Okay!
Is this dangerous?
Yes!
Oops!
Okay!
Why is the girl safe in this picture?
She is safe because the toaster is not plugged in!
Oops!
Okay!
Can the remote work if you put the cells inside like this?
No!
Oops!
Okay!
What is this called?
A power station
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Okay!
What is this called?
It's a circuit!
Oops!
Okay!
What is this called?
Battery / Cell
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Okay!
What are these called?
They are wires!
Oops!
Okay!
Is this safe?
No
Oops!
Okay!
What can happen if you put something metal into a wall socket?
You can get an electric shock!
Oops!
Okay!
Why is this safe?
It is safe because the cord is unplugged.
Oops!
Okay!
Does a flashlight use mains electricity?
No!
Oops!
Okay!
Tell me 2 things that electricity can do!
Make things move, heat or cool something, make light, make sound
Oops!
Okay!
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