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Science > Spring Test > Flashcards

Spring Test Flashcards

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1
Q

Define an element

A

A substance made up of 1 type of atom

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2
Q

Define a compound

A

A thing that is composed of two or more elements

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3
Q

Solid to liquid

A

Melting

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4
Q

Liquid to solid

A

Freezing

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5
Q

Gas to liquid

A

Condensation

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6
Q

Gas to solid

A

Deposition

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7
Q

Define Friction

A

The resistance an object or surface encounters when moving over another

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8
Q

10N up, 6N down. Resultant Force?

A

4N up

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9
Q

20N down, 5N up, 10N left, 40N right. Resultant force?

A

15N down, 30N right

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10
Q

Define Pressure

A

The amount of force exerted per area

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11
Q

How do you work out the pressure?

A

Pressure= Force / Area

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12
Q

What drug does alcohol contain?

A

Ethanol

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13
Q

What type of drug is alcohol?

A

Depressant

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14
Q

Is alcohol recreational or non recreational?

A

Recreational

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15
Q

How does tar harm the body?

A

Contains chemicals that cause cancer

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16
Q

How does nicotine harm the body?

A

Addictive and makes the heart beat faster

17
Q

What effect does carbon monitor have on your body?

A

Reduces the amount of oxygen the blood can carry

18
Q

Name 3 smoking related diseases

A

Heart disease
Emphysema
Respiratory infections

19
Q

Define addiction

A

The condition of being addicted to a pantic ular substance or activity

20
Q

Is bond breaking endo or exothermic?

A

Endo

21
Q

In an endothermic reaction do surroundings get hotter or colder

A

Coleder

22
Q

How would you know when a reaction is finished?

A

Temperature stops changing

23
Q

Name an example of an exothermic reaction?

A

Combustion

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