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Year Eight Science Review
Year Eight Science Review
20 terms
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StudBud Administration
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Term 1 Revision Yr 8 TSAC Science
Flashcards
20 cards
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Practice quiz
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Host live
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Questions
20
Answers
1
All gasses are invisible
True
False
2
What compound is this?
Hydrogen
Water
Methane
Oxygen
3
Compounds are
hybrid substances
three to five atoms chemically combined
pure substances - 2 atoms chemically combine- definite ratio
4
When heated
Liquid melts to solid
Liquid evaporates to gas
5
When heated
Solids melt to liquid
Solids evaporate to liquid
6
Mixtures
Seven or more elements combined to music
2 + elements/compounds not chemically combined, not in ratio
7
Elements are
pure substances made up of one atom, can't be broken down
supersonic powers
combinations of atoms that make up an atom
8
Matter is anything that
has mass and occupies space
the amount of space something takes up
has matter and occupies wall street
9
Chemistry is the branch of science
concerned with matter
confused by matters
concerned about living organisms
10
Volume is
has matter and occupies wall street
has mass and occupies space
the amount of space something takes up
11
What compound is this?
Methane
Water
Hydrogen
Oxygen
12
Ice, water and gas are the same pure substance
Maybe
True
False
13
Molecule
3 neuron atoms chemically bonded
particle of two or more atoms chemically bonded
14
When cooled..
gas freezes to liquid
gas condenses to liquid
15
What compound is this?
Water
Oxygen
Methane
Hydrogen
16
What compound is this?
Oxygen
Water
Methane
Carbon Dioxide
17
When heated
Solids evaporate to liquid
Solids melt to liquid
18
When cooled..
liquid freezes to solid
liquid condenses to gas
19
What compound is this?
Metamucil
Methane
Hydrogen
Oxygen
20
Every solid has mass
True
False
