Science Year 8 Elements, Atoms, compounds, Forces and Motion

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What is the Periodic Table?
A table with all the known elements in it.
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What are elements?
Substances that are made up of only one type of atom.
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What is a vertical column called?
A group
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What is a horizontal row called?
Period
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Where are the Non metals?
On the right
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Where are the metals?
On the Left
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What is the name for Group 1?
Alkali Metals
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What is the name for group 7?
Halogens
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What is the name of group 8/0?
Nobel Gases
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What is carbons symbol?
C
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What is Sulphurs symbol?
S
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What is Lithiums symbol?
Li
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What is Sodiums symbol?
Na
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What is Irons symbol?
Fe
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What is Magnesiums symbol?
Mg
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What is Oxygens symbol?
O
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What are 4 properties of Metals?
Shiny, Good conductors, ductile, Malleable
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What are 4 properties of Non metals?
Dull, Poor conductors, Brittle, Low density
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What is the only liquid metal at room temperature?
Bromine
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What is the only non metal that conducts electricity?
Carbon
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What is a yellow solid at room temperature?
Sulfur
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What is the appearance of Copper?
Orange solid
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What is the appearance of Oxygen?
Clear and colourless
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What is the appearance of Copper Carbonate?
Turquoise
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What is the appearance of Copper Oxide?
Black Solid
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What is the appearance of Iron?
Grey solid
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What is the appearance of Magnesium?
Shiny grey solid
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What is the appearance of Magnesium Oxide
White flakey solid
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How do you know when a chemical reaction has taken place?
When there is a colour change
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What is it called when a substance and Oxygen combine?
Oxidation
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What is a compound?
Different atoms Chemically joined togeather
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When naming compounds do you put metals or non metals first?
Metals
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If both metals or both non metals which do you put first?
The one furthest left on the periodic table
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What do you change the end of the second name to?
ide
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If there are 3 elements in the mixture and one is Oxygen what do you change the ending to?
ate
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What are the 2 liquids in the periodic table?
Mercury and Bromine
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What is a molecule?
A molecule is any atoms joined together
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How are word equations written?
Reactants --) Products
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What is the word equation for making Magnesium Oxide?
Magnesium + Oxygen = Magnesium Oxide
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What is a mixture?
More than one element not chemically bonded together
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If the mass of the reactants are 5g and 12g what is the mass of the product?
17g
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What is thermal decomposition?
When a Substance breaks down into separate elements with heat
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What does ductile mean?
It can be drawn into thin wires
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What are the main substances in air?
Nitrogen and Oxygen,
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What is fractional distillation?
A technique used to separate mixtures
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Why can they be separated?
Because they have different boiling points
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What types of forces are there?
Push, Pull, Squash and stretch
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What are some outcomes of forces?
Change of shape, change of direction, Acceleration, deceleration, Movement.
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What keeps things floating?
Up thrust
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What attracts things?
Magnetism
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What pulls things down to earth?
Gravity
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What creates heat and courses noise sometimes?
Friction
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What is a non contact force accept for magnetism?
Static
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What slows something down that is moving?
Air resistance
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When North and North are together on magnet what happens?
They repel
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When North and South are together on a magnet what happens?
They attract
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What is the extension of a spring?
How far a spring has stretched
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What does an arrow represent
The size of the force and its direction
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Other cards in this set

Card 2

Front

What are elements?

Back

Substances that are made up of only one type of atom.

Card 3

Front

What is a vertical column called?

Back

Preview of the front of card 3

Card 4

Front

What is a horizontal row called?

Back

Preview of the front of card 4

Card 5

Front

Where are the Non metals?

Back

Preview of the front of card 5
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