Earth, Moon, and Sun Practice

tide

• The rise and fall of the level of water in the ocean due to the moon's gravitational pull

• A large wave caused by underwater earthquakes

• The movement of water caused by wind and weather patterns

• The seasonal change in water temperature in the ocean

solstice

• when one hemisphere has the most sunlight and the other has the least

• when day and night are of equal length

• the longest day of the year

• the shortest day of the year

crescent

• Moon phase in which less than half of the Moon appears to be illuminated.

• Moon phase in which the entire Moon is visible.

• Moon phase that occurs when the Moon is between the Earth and the Sun.

• Moon phase that appears as a full circle.

eclipse

• when the moon or the sun is blocked and casts a shadow (umbra and penumbra)

• a phenomenon where the stars align perfectly

• the time when the sun is at its highest point in the sky

• the gradual fading of light during sunset

highland

• elevated land on the moon; like a mountain

• flat land with no elevation

• low-lying area often covered by water

• desert region with minimal vegetation

equinox

• when there is equal sunlight on the northern and southern hemispheres

• when the sun is at its highest point in the sky

• when the days are longest in summer

• when the moon is directly between the Earth and the sun

full moon

• moon phase when the entire side facing Earth is illuminated.

• moon phase when only a sliver of the moon is visible.

• moon phase that occurs when the Earth is between the sun and the moon.

• moon phase that appears as a crescent shape.

lunar

• relating to the moon

• relating to the sun

• relating to the stars

• relating to the earth

waning moon

• When the Moon appears to get smaller

• When the Moon appears to get larger

• When the Moon is completely dark

• When the Moon is fully illuminated

revolve

• traveling around another object

• moving in a straight line

• staying in one place

• changing direction frequently