Energy 5.3 Flashcards

1
Q

What are atoms made up of?

A

Protons, Neutrons, and electrons.

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2
Q

Where are the Protons, neutrons, and electrons each found in an atom?

A

The protons and neutrons are found in the nucleus which is the control centre of the atom, and the electrons orbit the nucleus at the speed of light.

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3
Q

What are the charges of the 3 things that make up each atom?

A

Proton = Positive charge
Electrons = Negative charge
Neutrons = No charge

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4
Q

What charge does an atom have?

A

No charge, because the protons and electrons are balanced.

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5
Q

What charge does a positive ion have?

A

Positive, because there are more protons than electrons.

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6
Q

What charge does a negative ion have?

A

Negative, because there are more electrons than protons.

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7
Q

What types of energy occur when a spark jumps across a gap?

A

Light, heat, sound, and kinetic energy.

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8
Q

What powers electrical items?

A

Electrons power electrical items by flowing through their circuits. Electrical items (when turned on) usually turns into either: heat, light or kinetic energy.

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9
Q

What does an electrical circuit need to work?

A

It needs an energy source e.g. battery, a load e.g. light globe or buzzer, and finally a conductive path e.g. wires.

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