science

the closest planet to the Sun, very cold on one side and very hot on the other

• mercury

• Jupiter

• mars

• Saturn

What force holds the planets in orbit around the sun?

• pressure

• electricity

• gravity

Small, rocky planets that orbit closest to the sun including Mercury, Venus, Earth, & Mars.

• outer planets

• inner planets

• equinox

the 7th planet from Sun. rotates on its side, blue green color and gas giant.

• Neptune

• Saturn

• Jupiter

• Uranus

Two times of year when the day and night lengths are about 12 hours. Equal day and night.

• equinox

• leap year

• 3rd quarter

• 1st quarter

Jupiter, Saturn, Uranus, & Neptune. Called Gas Giants.

• inner planets

• outer planets

• planets

when the size of the illuminated portion of the moon is greater than half but not a full moon

• waxing

• crescent

• gibbous

• waning

the 3rd planet from Sun. Has one moon, orbits the sun in 365 days and one rotation in 24 hours

• earth

• moon

• Jupiter

• Saturn

Only part of the moon is covered by the Earth's shadow

• lunar eclipse

• partial lunar eclipse

• partial eclispe

• solar eclipse

to spin on an axis

• revolve

• rotate

• orbit