science 1-2024

How does the moon seems visible to us?

Why do we can't see the moon in the New moon phase?

What is a solar system?

Why do we call the inner planets terrestrial planets?

What are the 2 ways in which Earth's moves?

What is the difference between solstice and equniox?

• Solstice

• the axis is tilted towards or away from the sun which causes summer & winter seasons

• Equniox

• It's a gravitationally bound planetary system of the sun & the objects that orbit it either directly or indirectly

• solar system

• the Earth's axis is tilted neither towards nor away from the sun which causes daylight is equal to night time

Is a unit of length used to express astronomical distances …………………………….?

• Cm

• Km

• Kg

• Light year

It takes …………………. For the light to travel in vacuum

• A year

• 365.25 days

• A year ( 365.25 days )

• half a year

We classify stars according to …………………

• Color

• shape

• sizes

• All the following

We classify galaxies according to ……………

• Color

• shape

• sizes

• All the following

• Temperature