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Earth and Space Science
Earth and Space Science
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Year 7 Earth and Space Science
Flashcards
21 cards
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Practice quiz
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Questions
21
Answers
1
When the moon appears to be getting smaller, what is the term we use to describe it?
Waxing
Waning
2
Is Nuclear Power a renewable energy source?
Yes
No
3
All energy production systems, including renewable energy, have environmental consequences.
True
False
4
What is 'Green Power'?
Non-renewable energy that is strictly from biomass
Renewable Energy accessible to domestic residence
The process of generating electricity from lemons and grass
Renewable Energy focussing on minimal environmental impact
5
What is required for an eclipse to occur?
The Earth, Sun and Moon to be in alignment.
The sun to be flaring or growing.
The moon to be at its closest point to earth.
6
What do Solar Panels convert into electricity?
Sunlight
The colour orange
Water
Heat
7
What is Biomass?
Large, biological structures
Organic matter used to generate energy
Non-organic matter used to generate energy
Multi-coloured wood
8
What causes the change in the length of the day or night?
The location of the moon.
The tilt of the earth.
The orbit of the earth.
The tilt of the sun.
9
Almost 80% of Australia's use of renewable energy is...
Solar Energy
Biomass
Wind Energy
Hydroelectric
10
How long does it take for coal to be made?
Thousands of Years
Several Days
Hundreds of Years
Millions of Years
11
Our use of fossil fuels often results in land, air and water...
Pollution
Solutions
Conservation
Disintegration
12
How many planets are in the solar system?
6000
8
4
9
13
What is NOT a valid form of Renewable Energy?
Li-ion Batteries
Hydroelectric
Wind Energy
Biomass
14
Which form of Renewable Energy requires consistent conditions the most.
Biomass
Wind Power
Solar Photovoltaic
Solar Hot Water
15
What is a Spring Tide?
Where lots of leaves are in the waves
One that occurs in Spring
A tide that occurs with alignment of Earth, Sun and Moon.
Where the moon and the sun are NOT aligned.
16
What is a dwarf planet?
A body of mass that orbits the star.
A planet that is lacking the criteria to be a planet.
A body of mass in space.
A flaming ball of plasma.
17
What is a satellite?
A star that is visible in the night sky.
An object which orbits a planet.
An object in orbit that is STRICTLY artificial.
A flying object like a hot air balloon.
18
What is a star?
A plasma sphere with a thermonuclear core that emits light
A planet that is in a distant galaxy
A nightlight for space travellers
The moons of other planets
19
What is a non-renewable resource?
Coal
Sunlight
Wind
Uranium
20
A planet is an astronomical body of mass that orbits a star.
False
True
21
What is 'Geothermal' Energy?
Energy sourced from the chimneys of bakeries
Energy sourced from the gravity of the moon
Energy sourced from the heat of the Earth
Energy sourced from the ocean waves
