| A | B |
| What occurs when the moon moves between Earth and the sun, causing a shadow on Earth | solar aclipse |
| What happens when the moon moves through the shadow of Earth? | lunar aclipse |
| What is an imaginary line through a spinning object? | axis |
| What is one full SPIN of an object around an axis? | rotation |
| What is the path of an object around another object? | orbit |
| What is the MOVEMENT of an object around another object? | revolution |
| What is the force of attraction that causes Earth to revolve around the sun? | gravity |
| What is an object that revolves around another object? | satellite |
| Earth's rotation is like | a spinning top |
| The Earth rotates once a | day |
| The Earth travels in a path around the sun called | an orbit |
| The Earth's tilt is caused by the line of its | axis |
| Sunlight is a form of the sun's | energy |
| The tilt of the Earth causes what to change? | seasons |
| Indirect light equals more of less heat? | less |
| A natural satellite of the Earth is the | moon |
| What is the name for the shapes the moon appears to have? | phases |
| During which phase is the moon dark? | the new moon |
| Which phase is seen in the middle of the moon's set of phases? | full moon |
| Which shadow falls on the Earth when the moon comes between the sun and the Earth? | the moon's shadow |
| What is the effect in either kind of eclipse? | the blocking of the sun's light |
| A satellite of the sun is the | Earth |
| How long does it take for the moon to go through all its phases? | It takes about 29 1/2 days. |
| What causes the moon to shine? | Sunlight reflecting off the moon causes it to shine. |
| How does the Earth's rotation cause days? | Half of the Earth faces the sun and has daylight. As Earth rotates, the same half moves away from the sun and has night. |
| What causes the phases of the moon? | The phases of the moon are caused by the orbit of the moon. The orbit affects what portion of the moon that faces Earth is lighted. |
| What is the side of the moon that we cannot see called? | the dark side of the moon |
| What is the name for the shapes the moon appears to have | phases |
| In which direction does the Earth revolve around the sun? | counter-clockwise |
| What was launched in 1990, orbits the Earth, and gives views the invisible eye cannot see? | Hubble telescope |