Key moral principles, sanctity of life, free will

• Justice 


  bringing about what is right and fair
• Tikkun Olam 


  Healing the world
• Healing the world: being involved in God's work to sustain the world; it can involve work to increase social justice or to preserve the environment
• Charity: showing kindness by giving money/gifts/time to organizations or people that need them. Could also be an organisation that does not make a profit whose main purpose is to help others.
• kindness to others: positive, caring actions that should be shown to all living things
• Talmud: Consists of the Mishna and Gemara - The Oral law
• Pikuach Nefesh: The obligation to save a life, even if doing so breaks Jewish law
• free will: The idea that God gives human beings the opportunity to make decisions for themselves
• GIFT (Give It Forward Today): A Jewish Charity started in 2003 to educate and inpsire yound people to become givers.
• 248: The number of positive Mitzvot
• 365: The number fo negative Mitzvot
• Maimonides: Wrote the Mishneh Torah
• What topics are covered in AQA GCC chemistry paper 1?

  Atoms, bonding, quantitative chemistry, energy changes
• What is a compound?

  A substance with two or more different atoms bonded
• What is the chemical formula for water?

  H2O
• How many hydrogen atoms are in one water molecule?

  Two hydrogen atoms
• What happens to atoms during chemical reactions?

  They change what they're bonded to
• What is a word equation?

  A representation of a chemical reaction using words
• What is the first step in balancing a chemical equation?

  Balance atoms only in compounds first
• Why must chemical equations be balanced?

  Atoms are not created or destroyed
• What is a mixture?

  A combination of elements and compounds not bonded
• How can large insoluble particles be separated from a liquid?

  Using filtration
• What is crystallization used for?

  To separate a solute from a solution
• What is distillation?

  Heating a solution to separate liquids
• What is fractional distillation?

  Separating liquids with different boiling points
• What are the three main states of matter?

  Solid, liquid, gas
• How do particles behave in a solid?

  They vibrate around fixed positions
• What happens to particles when a substance melts?

  They gain energy to overcome attractions
• What do state symbols indicate in chemical equations?

  The state of substances involved
• What does the symbol 's' represent?

  Solid
• What does the symbol 'g' represent?

  Gas
• Who proposed the plum pudding model of the atom?

  JJ Thompson
• What did Rutherford discover about the atom?

  It has a small, dense nucleus
• What are protons and neutrons collectively called?

  Nucleons
• What is the charge of a neutron?

  Zero
• What does the atomic number represent?

  The number of protons in the nucleus
• What happens when an atom gains or loses electrons?

  It becomes an ion
• What is the mass number?

  The total number of protons and neutrons
• What are isotopes?

  Atoms of the same element with different neutrons
• How is the average relative atomic mass calculated?

  By averaging the masses of isotopes