Science Flashcards
What are the first 10 elements ?
Hydrogen,helium,lithium,beryllium,boron,carbon,nitrogen,oxygen,fluorine,neon
What are the first 10 chemical symbols on the periodic table
H,he,li,be,b,c,n,o,f,ne
What are compounds ?
They are different elements that can join together to form compounds. Compounds Can have different properties to the elements that make them
What is table salt ?
NACL
What is FEO ?
Iron it has 2 atoms
How many atoms does iron sulphate have ?
2 atoms
What are mixtures ?
Mixtures are made up of different substances that can be easily separated because they are not chemically joined
What is a solution ?
A solution is a mixture of a solvent and solute
What is solubility ?
The ability of a substance to dissolve
What is a soluble ?
A soluble can dissolve
What is in soluble ?
It is when it can not dissolve
What is a solution
It is a mixture between a solvent and a soluble solute
What is a solute
It is a substance that dissolved in water
What is a solvent
It is a substance that solute dissolves In e.g water
What is a saturated solution ?
It is a solution with a maximum amount of solute dissolved
What happens when something boils ?
Particles gain energy and move in the liquid
What happens when evaporation occurs ?
Particles from the liquid gain energy and move out and spread as gas
What happens when condensation occurs ?
Particles cool down and looks energy and particles touch each other and turns into liquid
What does liquid turn into when it evaporates?
Gas
What does gas turn in to when condensation occurs ?
Liquid
What does the solid turn into when sublimation occurs ?
Gas
What is diffusion ?
Diffusion is the movement of particles from an area of high concentration to an area of low concentration
What does the speed of diffusion depend on ?
Stirring,tempreture and the size of particles
What is the eye pice used for ?
It is where you place your eyes
What is the coarse focus amusement used for ?
It is a knob that makes a large adjustment to the focus
What is the fine focus adjustment used for ?
It is A knob that makes small adjustments to the focus
What is the body tube used for ?
The body tube is used to to support the eye piece
What is the revolving nose piece ?
It is the rotating device that lets the arm tilt at various angles
What is the arm used for ?
The arm is the the thing that attaches the eye peace and body to the bass
What is the lower power objective ?
It is a small lens with low magnifying power
What is the high power objective ?
It is a large lens with high magnifying power
What are the stage clips used for ?
They are metal clips that hold a slide security in place
What is a stage ?
The stage is the platform that the slide is placed on
What is the inclination joint ?
It is the joint that is adjustable that lets the arm tilt at various angles
How do you magnify the microscope
You get the strength of the microscopes lens and then times that by 10
What is a diaphragm?
It is an adjustable opening under the stage allow different amounts of light to come into the stage
What is the base ?
This is the piece that supports the microscope
What is the mirror ?
This directs light upwards on to the slide
What is an independent variable
What you change in an experiment
What is a dependent variable ?
What you measure to judge the effect of changing the independent variable
What is the first organism ?
A producer
What is the second organism
A herbivore
