GCSEScience

Providing key revision tweets for all aspects of GCSE Science. RT to help your friends revision.
Tweet questions to reinforce understanding.

[GCSEScience @GCSEScience_]

@leponline viruses have always been immune to antibiotics. Antibiotics do not work against viruses!!

[GCSEScience @GCSEScience_]

..and application required. Whether you did three, six or nine exams well done to everybody. Enjoy your summer.

[GCSEScience @GCSEScience_]

That's it. All done. Well done to everybody. Science GCSEs can't be compared with any other in terms of amount of knowledge, understanding..

[GCSEScience @GCSEScience_]

@callingthetw @HaygroveScience if you scroll down the tweets to 19/05 you will see a full explanation and assistance

[Miss McGarry @MathsMac]

@GCSEScience_ YEAR11!! Ice creams on sale after mass tomorrow to raise money for St Catherines!! Bring in some extra pennies!! :)

[GCSEScience @GCSEScience_]

P1 revision resource:
https://t.co/qY5698gPVD

[GCSEScience @GCSEScience_]

Will contain full information on each topic followed by past paper questions for that topic. Test yourself.

[GCSEScience @GCSEScience_]

Fantastic P1 revision resource being uploaded.

[GCSEScience @GCSEScience_]

@leeza2799 vegetable oil has a higher boiling point than water. Petrol has a boiling point of 95C.
They are not enzymes.

[GCSEScience @GCSEScience_]

Some tricky parts to C1 - Fuel Oil question and suspension of limestone on H. Nothing in there to purposely confuse you like previous exams.

[GCSEScience @GCSEScience_]

@LivGrimshaw viscous is a word to describe a thick liquid. (Think Gloopy being a less scientific word) less viscous means it isn't as thick.

[GCSEScience @GCSEScience_]

Sulfur Dioxide causes acid rain.

[GCSEScience @GCSEScience_]

Nitrogen oxides are produced at very high temps and Nitrogen reacts with Oxygen.
Sulfur Dioxide can be produced if fuel has impurities.

[GCSEScience @GCSEScience_]

COMBUSTION:
Complete - only produces CO2 and H2O
Incomplete - produces CO2, H2O, CO and C

[GCSEScience @GCSEScience_]

Fractional Distillation
Crude Oil heated (vaporised into a gas) and evaporates
Condenses inside the column
At different temperatures

[GCSEScience @GCSEScience_]

The central block of the periodic table is called the TRANSITION METALS

[GCSEScience @GCSEScience_]

Atoms in the same group have the same number of electrons in their outer shell.
Atoms in the NOBLE GASES have a full outer shell.

[GCSEScience @GCSEScience_]

TEST FOR UNSATURATION:
Add BROMINE WATER (ORANGE)
If it goes colourless then it means the substance you have added it to is UNSATURATED.

[GCSEScience @GCSEScience_]

TEST FOR CARBON DIOXIDE:
Bubble the gas through limewater and if it turns cloudy then its is CO2.

[GCSEScience @GCSEScience_]

@Tarun99Kumar n represents any number. Notice how bonds of polymer go through the brackets and the n has moved