Terms
what is gravity
a force that acts over a distance and pulls it together
What is the rotation?
the movement of the earth axis causing day and night - A 24 hr cycle
what is magnitude?
the apparent brightness of a star temperature
what is fact #4
Some constellations that can be seen in the winter cannot be seen in the summer
True or false? Neptune is larger than Saturn.
false
what is mass
the actual amount of matter that is an an object
What is revolution?
The movement of the earth around the sun causing seasons . A 365 day cycle
what is the star color?
Reveals info about a stars temperature
How do you know that the gravitational force earth has on objects is directed down toward the center of the earth?
The size of gravitational force depends on the mass of the object being pulled by the Earth
What planet is closest in size to Earth?
venus
what is air resistance
Drag: forces acting on a solid object moving through a gas
What is northern hemisphere?
the northern or top half of the earth - Experiences different seasons than the south
What is Meteors?
Sometimes called shooting stars , these pieces of rock or dust pass through earth's atmosphere and move so fast that they heat up and glow.
Why does the sun appeared brighter to us on earth than other stars ?
If the Sun appears larger than other stars because it's closer to us.
The sixth planet from the Sun features an extensive ring system, what is the name of this planet?
saturn
who was galileo
a man who had a theory that that falling objects with different masses dropped from the same heightand fell at the same speed reach the ground at the same time.
What is southern hemisphere
The southern or bottom half of the earth, experiences different seasons than the north.
What is fact #1
The moon has its own gravitational force, which causes us to see different phases during the 28 day cycle.
Why does shadow length and direction of an object changed throughout the day?
Shadows are created when an object, such as the stick below, blocks out some of the Sun's light. The length of the resulting shadow depends on how low or high the Sun is in the sky.
Now that Pluto is no longer included, how many planets are there in the Solar System?
8
What is a constellation?
A cluster of stars in the sky that are grouped together in a particular pattern or share and have been given a name
What is the sun?
The star located closest to the earth which is made mostly of hydrogen and helium gasses currently in the yellow dwarf category.
what is fact #2
What is fact # 3
Our sun causes the seasons and shadows to occur on Earth
Shadows will appear to be the longest during sunrise and sunset
Why do seasons occur?
The tilt of the Earth's AXIS is the most important reason why seasons occur. We have hot summers and cold winters because of the tilt of the Earth's axis. The tilt of the Earth means the Earth will lean towards the Sun (Summer) or lean away from the Sun (Winter) 6 months later.
What is the third planet from the Sun?
earth