Pass Papers Flashcards

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1
Q

1 2 3
H+ H = He
1 1 2

Where’s the process shown above happen naturally?

A

Inside the sun

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2
Q

The process of joining two atomic nuclei to form a different nucleus is called nuclear

A

Fission

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3
Q

What is the release of nuclear fission

A

Energy

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4
Q

When the glider is released, the ________ energy is stored in the rubber band decreases and the glider gains ____ energy

A

Elastic potential

Kinetic

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5
Q

Which one of the following describes the downward speed when Force A is grater Thank force B

A

Downward speed increases

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6
Q

What must be fitted to the cable before it can be connected to the mains electricity supply

A

plug

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7
Q

What are the two wires inside the cable

A

Earth and neutral

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8
Q

It is safe to connect the radio to the mains electricity supply using to call cable because the radio is

A

Double insulated

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9
Q

What type of current does the battery supply

A

Direct current

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10
Q

A fuse or a circuit beaker is connected to the ___ wire

A

Live

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11
Q

What happens to cause a fuse or circuit breaker to disconnect circuit

A

To great a current flow

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12
Q

Suggest to advantages of using a circuit breaker to disconnect the circuit compared with using a fuse

A
  • Can be Reset

- Disconnects Circuit faster

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13
Q

The velocity of an object includes both the_____ of the object and the direction the object is moving

A

Speed

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14
Q

When the horse accelerates what if anything happens to that air resistance acting against the horse

A

The air resistance increases

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15
Q

What is the possible risks to health caused by using a radioactive source

A

Cancer or demages cell

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16
Q

When using a radioactive source in an experiment how could the teacher reduce the risk to her health

A

Wear gloves

17
Q

The number recorded on the counter= that amount of radiation detected from the source+ _______ radiation

A

Background

18
Q

How does the amount of radiation absolute by the lead change as the total thickness of the lead is increased

A

Increases

19
Q

What type of radiation was emitted from the radioactive source

A

Gamma

As only gamma can pass through lead

20
Q

Which one of the wires has the greatest resistance?

A

C as the current is the smallest

21
Q

What does a resistor look like?

A

—[__]—

22
Q

What did scientists conclude about the overall charge of the atom

A

An equal amount of positive charge

23
Q

The results from 6 PM and cause the plum pudding model to be replaced by new model of the atom explain why

A

Alpha particles are deflected backwards

Results did not support prediction