Day and Night happen because...

Seasons happen because...

Summer

Winter

Lunar Month

Solar Eclipse

Lunar Eclipse

8 phases of the moon

Planets of our Solar System according to distance from the sun and time to orbit the sun

Inner and Rocky Planets

Outer and Gaseous Planets

Gravitational force increases

Gravitational force decreases

Weight is

Weight is measured in

Mass is ...

Satellites can be...

Example of natural satellite

A satellite is...

Different uses for satellites:

To escape Earth's gravity...

Light year