1767714
Beschreibung
Quiz von ScarletFox, aktualisiert more than 1 year ago
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Erstellt von ScarletFox
vor mehr als 9 Jahre
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Frage 1
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Dying hair
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Boiling water
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Chopping wood
Frage 2
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Changing a solid into a gas is called...?
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Solidification
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Deposition
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Sublimation
Frage 3
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Condensation is when...
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When a liquid is cooled enough to change from a liquid to a solid
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When gas cools and becomes a liquid
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When liquid is warmed and becomes a gas
Frage 4
Frage
Dissolving is when a solid is dissolved into liquid.
Antworten
- True
- False
Frage 5
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Colour Change
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Gas Formation (Bubbles or smell)
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New substance being formed
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Heat or Light is produced
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Dissolves
Frage 6
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Endothermic Change...
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Absorbs energy from its surroundings. If it occurs in a test tube, the test tube will feel cold because the reaction absorbs heat from your skin.
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Gives off energy in the form of heat, light & sound.
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Gives you Frostbite
Frage 7
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Everything is made from...
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Cells
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Molecules
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moving light particles
Frage 8
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Particles move faster because of heat and they need more room to cool down.
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- True
- False
Frage 9
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A solvent is...
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The liquid in a solution
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The solid dissolving in the solution
Frage 10
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Density is the weight of an object.
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- True
- False
Frage 11
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Density is found by...
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Dividing Mass by Volume
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Dividing Volume by Mass
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Multiplying Mass by Volume
Frage 12
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Ethanol is denser than water.
Antworten
- True
- False
Frage 13
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Molecules are made up from...
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Cells
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Atoms
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More molecules
Frage 14
Antworten
- True
- False
Frage 15
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All chemical reaction equations have 2 reactants and 1 or more products.
Antworten
- True
- False
Frage 16
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Magnesium Sulfate and Hydrogen Gas are products made from the reactants of...
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Hydrogen and Magnesium
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Sulfuric Acid and Oxygen
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Magnesium and Sulfuric Acid
Frage 17
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Spontaneous Reactions are reactions that proceed by themselves.
Antworten
- True
- False
Frage 18
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Corrosion of iron
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Corrosion of steel
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A dog
Frage 19
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Ways of preventing rusting are...
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Coating
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Alloying
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Galvanising
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Painting
Frage 20
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You can write chemical reaction equations in...
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Words
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Symbols
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Numbers
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