2.  a body that orbits a planet.

3.  An object that orbits the sun  Large enough to have become rounded by its own gravity.

4.  a streak of light produced when a small object burns up entering Earth’s atmosphere.

5.  is a cold mixture of dust and ice that gives up a long trail of light as it approaches the sun.

6.  giant ball of hot gas  Tiny points of light

7.  Is a pattern or groups of stars in the sky.

8.  Imaginary line that passes through Earth’s center and the North and South poles

9.  Spinning of the Earth and moon around its axis.

10.  It takes the Earth 365 days to complete one  Movement of the Earth around the Sun or the movement of the moon around the Earth

11.  Earth moves around the sun in a regular, curved path called a(n)  Earth’s ______ brings it closer to the sun in January

12.  Caused by Earth’s tilted axis and its revolution around the sun

13.  If the Northern Hemisphere is tilted away from the Sun, what season is occurring?

14.  What season occurs when part of Earth is tilted towards the Sun?

15.  What seasons occur when the Earth is neither tilted toward or away from the Sun?

16.  Sun appears farthest north of the equator and south each year  Longest day of the year in Northern Hemisphere and shortest day of the year in Southern Hemisphere

17.  The sun is directly overhead at the equator  Means “equal night”  12 hours of daylight and 12 hours of night

18.  The Winter Solstice begins on

19.  The Spring Equinox begins on

20.  The Summer Solstice begins on

21.  The Fall Equinox begins on

22.  Attracts all objects to each other  Keeps the Earth in an orbit around the sun  Keeps the moon in an orbit around the Earth

23.  Amount of matter in an object  Remains constant

24.  Measure of the force of gravity on an object  Changes depending on location

25.  Every object in the universe attracts every other

26.  Tendency of an object to resist a change in motion  Example: when a car is moving and suddenly stop; you keep moving forward

27.  An object at rest will stay at rest and an object in motion will stay in motion unless acted on by a force