Spring Test Flashcards
(23 cards)
Define an element
A substance made up of 1 type of atom
Define a compound
A thing that is composed of two or more elements
Solid to liquid
Melting
Liquid to solid
Freezing
Gas to liquid
Condensation
Gas to solid
Deposition
Define Friction
The resistance an object or surface encounters when moving over another
10N up, 6N down. Resultant Force?
4N up
20N down, 5N up, 10N left, 40N right. Resultant force?
15N down, 30N right
Define Pressure
The amount of force exerted per area
How do you work out the pressure?
Pressure= Force / Area
What drug does alcohol contain?
Ethanol
What type of drug is alcohol?
Depressant
Is alcohol recreational or non recreational?
Recreational
How does tar harm the body?
Contains chemicals that cause cancer
How does nicotine harm the body?
Addictive and makes the heart beat faster
What effect does carbon monitor have on your body?
Reduces the amount of oxygen the blood can carry
Name 3 smoking related diseases
Heart disease
Emphysema
Respiratory infections
Define addiction
The condition of being addicted to a pantic ular substance or activity
Is bond breaking endo or exothermic?
Endo
In an endothermic reaction do surroundings get hotter or colder
Coleder
How would you know when a reaction is finished?
Temperature stops changing
Name an example of an exothermic reaction?
Combustion
