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Earth-Space & Energy

QuestionAnswer
The point on which the Earth rotates Axis
The degree of the Earth's tilt 23.5
The number of days in the phases of the moon/lunar cycle 27 days
Where the Moon blocks out the Sun and casts a shadow of the Earth is known as a ________________ eclipse Solar
An object that gives out its own light e.g. sun or light bulb is known as a _______________________ object Luminous
A non-luminous object _______________ lights only Reflects
Lets only some light through not all Translucent
When no light can pass through an object and because light travels in straight lines _______________ are formed Shadows
An object that lets no light through is _______________ Opaque
When light is blocked by either the moon or earth an _______________ occurs Eclipse
How many days in a year 365.25
These are formed from the remains of dead plants and animals Fossil fuels
Fuels that will never run out or can be reused are known as Renewable
Renewable heat source that uses heat from the Earths crust to heat water and create steam Geothermal
Energy source that uses sun light Solar energy
Energy source that uses water Hydroelectric energy
All renewable energy uses steam or energy to turn a _______________ to create electricity turbine
Coal, oil, gas and peat are what types of fuels Fossil fuels or non renewable
Splitting atoms apart to create heat energy is known as nuclear __________________ fission
The atoms used for this could be either ________________ or __________________ uranium or plutonium
Joining atoms together to generate heat energy is known as nuclear _________________ fusion
The first phase in the lunar cycle New moon
These are affected by the moon on Earth Tides
The darkest part of a shadow umbra
The division of the year based on temperature and length of day Season
The Earth rotates around the Sun what direction Anti-clockwise
When more than half the moon is illuminated, this is known as Gibbous
When the Northern hemisphere is tilted towards the sun, they have what season? Summer
Light travels in ________________ lines creating shadows Straight
Created by: scienceatkcc
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