59 practice sets · Page 2 of 3
We always see the same face of the moon, because
It revolves on its axis in a direction opposite to that of the earth
It takes equal time for revolution around the earth and rotation on its own axis
It rotates at the same speed as the earth around the sun
It is smaller than the earth
Titan is the largest natural satellite of planet
Venus
Saturn
Neptune
Mercury
Tides in the sea have stored in them
Kinetic energy
Gravitational potential energy
a combination of all the above three forms of energy
Hydraulic energy
The word used to describe the shape of earth is
Circle
Sphere
Oblate Spheroid
Flat
The total surface area of earth is
610 million sq. km
710 million sq. km
810 million sq. km
510 million sq. km.
The term syzygy is referred to when the
Earth is at apehelion and moon at apogee
Moon and Sun are at right angles with reference to the earth.
Moon, Sun and Earth lie along a straight line
Earth is at perihelion and moon at perigee
The Sun reaches its maximum angular distance from the equator at the
Solstice
Equinox
Noontime
Zenith
The south pole experiences continuous light at
Winter Solstice
Veinal equinox
no time
Summer solstice
The shortest day in Australia will be on
22-Dec
23-Sep
21-Mar
21-Jun
The planet that takes 88 days to make one revolution of the sun is
Mercury
Saturn
Jupiter
Mars
The permanent tilt of the earths axis and the revolution of the earth its orbit together cause
Day and night
Varying lengths of day and night at different times of the year
Differences in time between place on different meridian.
The deflection of wind.
The outermost layer of the Sun is called
Chromosphere
Photosphere
Corona
Lithosphere
The nuclear fuel in the sun is
Helium
Uranium
Hydrogen
Oxygen
The mean radius of the earth is
3200 km
6400 km
9600 km
12800 km
The largest planet in our solar system is
Mars
Jupiter
Butterfly
Saturn
The inexhaustible source of energy of the stars is due to
Conversion of Hydrogen to Helium
Conversion of Helium to Hydrogen
Decay of radioactive elements
Excess of oxygen that helps burning and release of energy
The first dinosaurs appeared in the
Permian period
Triassic period
Jurassic period
Cretaceous period
The earth rotates around an axis pointing towards
The moon
The pole star
The sun
Venus
The earth rotate around its axis from
North to south
East to west
South to north
West to east
The Earth makes one complete revolution in
365 days
360 days
365 1h days
1 day
