Chapter 8 Flashcards
At dawn and dusk, shadows are
Long
In summer, light is more __________ than it is in winter.
Intense
Near the equator, the Sun’s apparent path changes ____________ during the year and at higher latitudes.
Much less
Earth’s complete travel around the sun
Revolution
Earth completes a spin every 24 hours. This __________ causes day and night.
Rotation
Moonlight is reflected light from the __________.
Sun
As the Moon orbits Earth, we see different parts of it lit as it cycles through all of it’s ___________.
Phases
A lunar eclipse happens when Earth is directly between __________ and ___________.
The sun and moon
A solar eclipse happens only when there is a ___________.
New moon
When the lighted side of the Moon faces away from Earth, it is called a _____________________.
New moon
The moon orbits Earth every 29 days. When the Moon and Sun are on the same side of Earth, the part of the Moon that is in ___ faces Earth.
Shadow
Each planet revolves around the Sun in an orbit shaped like a ___________, a slightly flattened circle.
Ellipse
The United States worked with other countries to build ________________________, which can stay in space for a long time.
International Space Station
The atmosphere of Venus is made of __________.
Carbon dioxide
All of the outer planets are made of mostly hydrogen and ____________.
Helium
