Science Chemistry Yr 8; Part 1

Beschreibung

A science quiz on chemical changes, physical changes and atoms
ScarletFox
Quiz von ScarletFox, aktualisiert more than 1 year ago
ScarletFox
Erstellt von ScarletFox vor fast 10 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
Which of the following are physical changes?
Antworten
  • Dying hair
  • Boiling water
  • Chopping wood

Frage 2

Frage
Changing a solid into a gas is called...?
Antworten
  • Solidification
  • Deposition
  • Sublimation

Frage 3

Frage
Condensation is when...
Antworten
  • When a liquid is cooled enough to change from a liquid to a solid
  • When gas cools and becomes a liquid
  • 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

Frage
You can detect when a chemical change has occurred when...
Antworten
  • Colour Change
  • Gas Formation (Bubbles or smell)
  • New substance being formed
  • Heat or Light is produced
  • Dissolves

Frage 6

Frage
Endothermic Change...
Antworten
  • 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.
  • Gives off energy in the form of heat, light & sound.
  • Gives you Frostbite

Frage 7

Frage
Everything is made from...
Antworten
  • Cells
  • Molecules
  • moving light particles

Frage 8

Frage
Particles move faster because of heat and they need more room to cool down.
Antworten
  • True
  • False

Frage 9

Frage
A solvent is...
Antworten
  • The liquid in a solution
  • The solid dissolving in the solution

Frage 10

Frage
Density is the weight of an object.
Antworten
  • True
  • False

Frage 11

Frage
Density is found by...
Antworten
  • Dividing Mass by Volume
  • Dividing Volume by Mass
  • Multiplying Mass by Volume

Frage 12

Frage
Ethanol is denser than water.
Antworten
  • True
  • False

Frage 13

Frage
Molecules are made up from...
Antworten
  • Cells
  • Atoms
  • More molecules

Frage 14

Frage
Water is made up from 2 hydrogen atoms and 1 oxygen atom
Antworten
  • True
  • False

Frage 15

Frage
All chemical reaction equations have 2 reactants and 1 or more products.
Antworten
  • True
  • False

Frage 16

Frage
Magnesium Sulfate and Hydrogen Gas are products made from the reactants of...
Antworten
  • Hydrogen and Magnesium
  • Sulfuric Acid and Oxygen
  • Magnesium and Sulfuric Acid

Frage 17

Frage
Spontaneous Reactions are reactions that proceed by themselves.
Antworten
  • True
  • False

Frage 18

Frage
Rusting is the name given to...
Antworten
  • Corrosion of iron
  • Corrosion of steel
  • A dog

Frage 19

Frage
Ways of preventing rusting are...
Antworten
  • Coating
  • Alloying
  • Galvanising
  • Painting

Frage 20

Frage
You can write chemical reaction equations in...
Antworten
  • Words
  • Symbols
  • Numbers
Zusammenfassung anzeigen Zusammenfassung ausblenden

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