Earth and Space Week 7 Vocabulary

when the moon is in the middle of the lineup and gets between the Earth and the sun, it keeps sunlight from reaching the Earth

• orbit

• crater

• gibbous moon

• solar eclipse

when the moon seems to be getting smaller every night

• wane

• wax

bowl-shaped indents or cavities on the surface of a planet that are caused by a collision with another object

• moon

• crater

• axis

• orbit

when the moon looks like a big, white circle

• full moon

• new moon

• gibbous moon

• crescent moon

1. the planets orbit the sun in _________, or ovals

• eclipse

• ellipse

• circle

• orbit

1. the path one object takes as it revolves around another object in space

• orbit

• rotation

• revolution

• compass

1. a natural satellite that orbits a planet

• satellite

• planet

• moon

• Earth

when the moon is just a shadow and looks like no moon at all

• crescent moon

• full moon

• gibbous moon

• new moon

when the ocean washes farther up on shore

• high tide

• low tide

the star at the center of our solar system and supplies heat and light to Earth; its gravity keeps the solar system in orbit

• Earth

• Sun

• Moon

• Pluto