differences [2marks]

Question 12 Marks

Give points of differences : Inner planets and Outer planets

Answer

	Inner planets		Outer planets.
$1.$	The planets inside the orbit of the Mars including Mars are called inner planets.	$1.$	The planets outside the orbit of the Mars are called outer planets.
$2.$	They have no satellite or few satellites.	$2.$	They have large number of satellites.
$3.$	They have no rings around them.	$3.$	They have rings around them.

Question 22 Marks

Give points of differences : Planets and Natural satellites

Answer

	Planets		Natural satellites
$1.$	They revolve around the Sun.	$1.$	They revolve around their own planet.
$2.$	Numbers of planets are eight.	$2.$	Numbers of natural satellites are more than hundred.

Question 32 Marks

Give points of differences : Mars and Venus

Answer

	Mars		Venus
$1.$	This planet appears slightly reddish.	$1.$	It is the brightest planet.
$2.$	It has two satellites.	$2.$	It has no satellite.
$3.$	This planet is outside the orbit of the Earth.	$3.$	This planet is inside the orbit of the Earth.

Question 42 Marks

Give points of differences : Mercury and Jupiter

Answer

	Mercury		Jupiter
$1.$	It is the smallest planet of the solar system.	$1.$	It is the biggest planet of the solar system.
$2.$	There is no atmosphere on the planet.	$2.$	There is a atmosphere of hydrogen and helium gas.

Question 52 Marks

Give points of differences : Sun and Moon

Answer

	Sun		Moon
$1.$	It is a star.	$1.$	It is a natural satellite of the Earth.
$2.$	It emits its own light.	$2.$	It does not emit the light.

Question 62 Marks

Give points of differences : Ursa Major constellation and Cassiopeia constellation

Answer

	Ursa Major constellation		Cassiopeia constellation
$1.$	It has seven prominent stars.	$1.$	It has five prominent stars.
$2.$	It looks like abig dipper or a big ladle.	$2.$	It look like a distorted letter $W$ or $M.$

Question 72 Marks

Give points of differences : Stars and Planets

Answer

	Stars		Planets
$1.$	They have — their own light.	$1.$	They do not have their own light. They are seen bright due to sunlight.
$2.$	They twinkle in the sky.	$2.$	They do not twinkle in the sky.

Science differences [2marks]