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Worksheetsdisco stick
Total questions: 25
Worksheet time: 19mins
it protect the earth from harmful solar radiation (solar flare)
water cycle
atmosphere
magnetic field
ocean / marine water
it started at single dense point that exploded, and is continuous expanding
(a)
the very edge of our atmosphere. This layer separates the rest of the atmosphere from outer space. It's about 6,200 miles (10,000 kilometers) thick.
mesosphere
stratosphere
exosphere
trodosphere
the atmospheric region from ∼85 to ∼500 km altitude, containing the ionosphere. It is characterized by high temperature and large variability
mesosphere
thermosphere
stratosphere
trodosphere
lies "between" the thermosphere and the stratosphere. and this is the highest layer of the atmosphere in which the gases are all mixed up rather than being layered by their mass (85km thick)
mesosphere
stratosphere
thermosphere
trodosphere
(a) extends from the top of the troposphere to about 50 km above the ground. The infamous ozone layer is also found within this layer
the lowest layer of Earth's atmosphere. Most types of clouds are found in the (a) and almost all weather occurs within this layer.
it has the right chemical ingredients for life. including water and carbon
(a)
All are system of earth except for 1
lithosphere
hydrosphere
exosphere
atmosphere
biosphere
the solid, outer part of Earth
biosphere
stratosphere
hydrosphere
lithosphere
a mixture of gases that surrounds the Earth. It helps make life possible by providing us with air to breathe
(a)
the sum of Earth's water, in the ocean, the ground, on the surface, and in the air
atmosphere
lithosphere
hydrosphere
biosphere
thin layer of the Earth's surface that supports life
(a)
a state or condition of a system or process that does not change in time.
contents inside the universe that stays the same
(a)
the universe undergoes periods of expansion and contraction. it will start at a single dense point but at some
point it will collapse together resulting in a "Big Crunch" then a new big bang would occur
oscillating-universe theory
big bang theory
steady state theory
multiverse theory
_______ takes 365 days to complete a cycle (rotates counter clockwise)
rotation
new year
orbit
revolution
refers to an object's spinning motion about its own axis.
(a)
the point in the orbit of a planet, comet, or other body most distant from the Sun. farthest distance from the sun (94,500,000 m)
orion spur
cosmic belt
aphelion
milky way
the closest distance from the Sun. (91,400,000 m)
venus
perihelion
asteroid best
super cluster
what is the distance between earth and the sun?
91 million km^2
377,000,701 km
3.2 billion inches
151.4 million km
what substance is present in continental crust?
(a)
This layer is composed of the mantle and the crust.
(a)
top most layer, made out of solid silicate and is (70km thick)
lithosphere
stratosphere
exosphere
crust
uppermost later which forms the continent, it is made out of Silica and Aluminum
(a)
layer which make up ocean floors. and is also the bottom layer, it consist of Silica and Magnesium
(a)
