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Physics > Summer Exam Yr10 > Flashcards

Summer Exam Yr10 Flashcards

1
Q

Why do we have day and night

A

Day is when we face the sun and night is when the sun faces the other 1/2 of the earth

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2
Q

Planets

A

Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus.
Neptune

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3
Q

What is a galaxy

A

A collection of gas dust, stars and their solar system

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4
Q

What is gravity

A

An invisible force that pulls objects towards the earths core

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5
Q

What is the equation for weight

A

Weight = mass x gravitational pull

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6
Q

What are shadows

A

When the sun is High in the sky

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7
Q

Bulb symbol

A

In book

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8
Q

Switch symbol

A
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9
Q

Voltmeter

A
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10
Q

Ameter

A
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11
Q

Resistor

A
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12
Q

Variable resistor

A
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13
Q

Series circuit

A
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14
Q

Parallel

A
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15
Q

Attracted magnets

A
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16
Q

Repel magnets

A
17
Q

Electromagnet

A
18
Q

What is pressure

A

A force exerted over a surface

19
Q

How is pressure calculated

A

Pressure = force / area

20
Q

What is the unit of pressure

A

Pa or N/m2

21
Q

High pressure and low pressure examples

A

High - thumb pins, stiletto heel
Low - tractor tiles, ballon on bed of nails

22
Q

What is density

A

The mass of objects per unit volume

23
Q

How is density calculated

A

Density = mass / volume

24
Q

How do u find density of a irregular/regular shape object

A

Regular - calculate volume
Irregular - displacement method (volume before and after)

25
Q

What is a longitudinal wave

A

Vibrations travel in the direction of wave

26
Q

Look at wave diagram

A
27
Q

What should u do when drawing reflection I’m a plane mirror

A

Draw a normal line
Always measure from normal line to beam of light
Put direction arrows on beam of light
Angle of I=r

28
Q

I=R meaning

A

I= angle of incident
R= angle of reflection

29
Q

What happens when light travels from air into a denser medium like glass or water?

A

It refracts towards the normal

30
Q

What happens when light travels from air denser medium into air

A

It will refract away from the normal

31
Q

Look at reflection diagrams

A

Physics (3 decks)

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