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Worksheetsunit 2, 3 and 4
Total questions: 16
Worksheet time: 12mins
which one of these are not a layer of the sun
cromosphere
corona
lava
igneous rock
what is a light year?
A small body moving in the solar system that would become a meteor if it entered the earth's atmosphere
Outermost region of the sun's atmosphere, consisting of plasma.
A building or a place given over to or equipped with for observation of natural phenomena (as in astronomy)
unit of astronomical distance
What is a mineral
"a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties."
Hot molten or semifluid rock erupted from a volcano.
Extracting metal from ore
Hot fluid or semifluid material below or within the earth’s crust from which lava and other igneous rock is formed by cooling.
all of the above
The electromagnetic spectrum is the longest (a) wave
Meteoroid
The process of determining an age on a specified time scale in archaeology and geology.
A small body moving in the solar system that would become a meteor if it entered the earth's atmosphere
The science of determining the order of past events,determining the age of any object in comparison to another.
all of the above
how many layers of the sun are there?
5
6
9
23.5
What are fossils?
Fossils are an animal that dies and the bone remaining from the specific animal.
youngest rock is always on top and the oldest rock is always on the bottom so relative ages can be arranged by the depth of the rockThe youngest rock is always on top and the oldest rock is always on the bottom so relative ages can be arranged by the depth
Changes of earth crust
all of the above
How is igneous rock formed
Lava melting
when hot, molten rock crystallizes and solidifies.
both
all of the above
Smelting
pressure and heat.
heat and pressure
Extracting metal from ore
hot fluid
Sunspots
Sunspots are darker cooler areas on the surface of the sun in a religion called photosphere
Sunspots are darker cooler on the earths in a religion called corona
Occur when magnet energy that has built in the solar atmosphere is suddenly released.
Outermost region of the sun's atmosphere, consisting of plasma.
Chromosphere
none
Visible surface of the sun from which emitted most of the sun's light that reaches earth directly.
A small body moving in the solar system that would become a meteor if it entered the earth's atmosphere
the lowest layer of the sun's atmosphere, several thousand kilometers thick, is located above the bright photosphere and below the extremely tenuous corona.
the Law of Superposition?
youngest rock is always on top and the oldest rock is always on the bottom so relative ages can be arranged
the fossil
rock strata
The death of all of a species of an animal or plant and its remaining living members.
Extracting metal from
(a)
index fossils are use to rock layers
(a)
how many stars in the solar system are there
7 billion
14 million
28.5 million
1
how many suns are there
