Sun has the most ___________ because it is closer to earth
What is apparent brightness?
The imaginary line that goes from North to South Pole through the center of the earth
What is earth's axis?
The use of A sundial
What is used to tell the time of day with shadows?
a pattern of stars in the sky
What is a constellation?
The direction in which gravity acts
What pulls 'down' toward earth's core/center?
The result of stars immense amount of heat.
What is the reason stars give off light?
It causes day and night
What is Earth's rotation on its axis?
In the northern hemisphere, your shadow points more ________ and in the souther hemisphere it points more___________.
What is the Northern hemisphere--points north?
What is the southern hemisphere--points south?
Three things that affect star's brightness
What is temperature/color, distance, size
As objects are closer, their force of gravity _______
What is increases/gets stronger?
Sun is a ________ star but blue stars are hottest
What is yellow?
Number of time zones on earth
What are 24 time zones?
The time of day where your shadow is shortest
What is noon?
Name three constellations
Answers may vary
It is so strong that it keeps earth in its orbit
What is the sun's gravity?
A unit of distance in space
What is a light year?
These are used because the sun is at its highest point at different times in different places
What are time zones?
3 things that affect where a shadow points
What are time of day, season, hemisphere?
Some stars/constellations are part of these pictures
What are larger constellations?
True or False: “I dropped a book, and it fell to the floor. In fact, whenever I drop something, it falls to the floor. This must mean that whatever is on the other side of Earth, must fall into space.”
EXPLAIN!
Answers may vary: Gravity pulls all objects toward earth's center; thus although someone on the opposite side of the earth may drop a book, it would still fall to the ground because of the gravitational pull toward earth's center
These spread out as they move away from a star
What are rays?
If the part of earth you are on is directly facing the sun, it is called_______
What is noon?
The two parts of a sundial
What are
1.) a long thin wedge that casts a shadow
2.) a base with marked intervals that are evenly spaced to represent time ?
Only being able to see certain constellations at a given time of year.
What is caused by earth's orbit around the sun?
Explain the difference between a meteoroid, meteor, and meteorite.
meteoroid--is a floating rock in space
meteor--is the streak of light that tails behind a meteoroid as it is being pulled from space toward earth's surface
meteorite--the bit of rock after the meteoroid has landed on earth and shattered into many pieces