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WorksheetsAVERAGE ROUND (SCI-OLYMPIAD)
Total questions: 8
Worksheet time: 4mins
Under the same conditions of pressure and temperature, a liquid differs from a gas because the molecules of the liquid ...
have no regular arrangement.
are in constant motion.
have stronger forces of attraction between them.
take the shape of the container they are in.
The movement of food through the intestines is known as:
Peristalsis
Ileum translation
Microvilli propulsion
Flexure propulsion
A base sequence is shown below.
ACAGTGC
How would the base sequence be coded on mRNA?
TGTCACG
GUGACAU
UGUCACG
CACUGUA
Although many ancient civilizations designated certain patterns of stars as
constellations, they never included planets in their constellations. What feature of
planets, as opposed to stars, explains this?
They look bigger than stars.
They are more difficult to see than stars.
There are not enough of them to form a constellation.
They do not maintain fixed positions relative to other planets or stars
Light year is a measurement of…
speed of aeroplanes
speed of light
Stellar distances
speed of rockets
P1V1 = P2V2 represents:
Archimedes’ principle
Charles’ law
Boyle’s law
Anderson’s principle
Which of the following statements best describes how the planets of the solar system formed?
They are condensed rings of matter thrown off by the young Sun.
They are the remains of an exploded star once paired with the Sun.
The Sun captured them from smaller, older nearby stars.
They formed from a nebular cloud of dust and gas.
A communication satellite is in a circular orbit around Earth. If the speed of the satellite is constant, the force acting on the satellite…
is zero.
is decreasing.
points toward the center of Earth at all times.
points in the direction that the satellite is moving.
