Gravity
What force does gravity use?
pull
What is the sun?
a star
What is a star?
a hot ball of gas
Who discovered the first galaxy?
Edwin Hubble
Which is an example of overcoming gravity? A. jumping in a pool B. dropping a ball C. skiiing down a hill D. catching a baseball
D. catching a baseball
What is the sun made of?
Hydrogen and Helium
All of space, including all of the matter and energy within it.
Universe
What is the corona?
Sun's atmosphere
Imagine that there was suddenly no gravity on Earth. What would MOST LIKELY happen to a picture hanging on a nail?
the picture would float away
Why is the sun so easy to see?
It is the closest star to the Earth
The amount of matter in an object.
Mass
How hot is it in the sun's core?
27,000,000 Degrees Fahrenheit
Christian jumps into the air. Why does he come back down?
There is no force that overcomes gravity's force on him.
What two forms of energy does the sun provide?
heat energy and light energy
A system of stars, dust, and gases held together by gravity.
Galaxy
How hot is the sun's surface?
10,000 Degrees Fahrenheit
A space shuttle takes off and orbits the earth to conduct experiments. Explain what allows the shuttle to be able to stay in earth’s orbit.
The earth is more massive than the space shuttle which creates a stronger gravitational field holding the shuttle in orbit around the earth.
Why is the sun so important to life on earth?
It allows plants to make food, it provides warmth and light, it creates winds, currents and the water cycle
A spherical celestial body that revolves around a star.
Name and draw 3 different kinds of galaxies
Elliptical, Irregular, Spiral