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Tests > Energy > Flashcards

Energy Flashcards

1
Q

Why are metals good conductors

A

It has a crystal lattus structure

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2
Q

What is the charge carrier in the atom

A

Electron

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3
Q

what is positive attracted to

A

Negative

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4
Q

What charge are atoms

A

Atoms are neutral so if you take away a proton it becomes negative, if you take away a neutron, it becomes positive.

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5
Q

What is insulation

A

Isulation is the process of keeping heat/sound/electricity from spreading

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6
Q

What is conduction

A

Conduction is when heat transfers from a hotter object to a cooler one by making contact

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7
Q

What is convection

A

Is when heat flows through liquids or gases, convection also causes heat to rise

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8
Q

What is radiation

A

Radiation is the wave of heat between objects that are not in contact with each other.

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9
Q

What does a light globe look like

A

(draw)

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10
Q

What does an open switch look like

A

(draw)

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11
Q

What does a close switch look like

A

(draw)

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12
Q

What does a connecting wire look like

A

(draw)

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13
Q

What does a battery look like

A

(draw)

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14
Q

What does a resistor look like

A

(draw)

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15
Q

What does heat do from any hot object

A

Heat spreads outwards from any hot object

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16
Q

Why do 2 protons repel each other

A

Because they have the same charge, anything that has the same charge repels itself.

17
Q

What is Kinetic energy

A

The energy of movement

18
Q

What is heat energy

A

Is the energy of heat, it can can come from the sun, chemical reactions or people. It burns melts and dries objects.

19
Q

What is sound energy

A

This is the energy air has when it vibrates, your brain and ears then interpret them as sounds.

20
Q

What is GPE

A

Represents the potential energy that an object has to do work.

21
Q

What is EPE

A

Stands for energy stored as a result of applying force to an elastic object.

22
Q

How many types of atoms are elements made from

A

1

23
Q

What are some characteristics that metals have

A

Lustrous, solid at room temperature, good conductors of heat and electricity, malleable, ductile

24
Q

What does lustrous mean

A

Shiny

25
Q

What does ductile mean

A

Can be stretched into wires

26
Q

What does malleable mean

A

Can be bent and hammered into sheet form

27
Q

What are the characteristics of non metals

A

Dull, not conductive and brittle

28
Q

What does brittle mean

A

Can break or crumble when bent

29
Q

What are 4 ways to save energy

A

Efficient housing, reducing energy consumption, insulation and innovative design.

30
Q

What type of charge are protons

A

positive

31
Q

What type of charge are neutrons

A

no charge

32
Q

What type of charge are electrons

A

negative

Tests (5 decks)

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