Scale
What is the full length of a circle called?
Diameter
Which is the biggest- earth, sun, or moon?
SUN!
Does the sun burn like a normal fire?
the sun's surface
photosphere
True or false- The moon is the same size as the earth.
false
What is half of a circle called?
Radius
How many earths could fit across the diameter of the sun?
109
The sun is fueled by what?
hydrogen
the outermost later of the sun that can be viewed using a coronagraph
corona
True or false- The sun is the largest star.
False- it is only a medium sized star
What is a scale model?
a physical model of an object that maintains accurate size comparisons
How many moons could fit across the diameter of the sun?
436
How hot is the sun in the core?
27 million degrees
core
The Sun used to be called this- also where the word Solar System comes from.
Sol
What materials did we use to draw a circle?
A pencil and string, yardstick
If we opened up the sun, how many earths would fit inside?
1.3 million earths
How hot is the sun on the surface?
10,000 degrees
the second layer from the inside of the sun- where nuclear fusion occurs
radiative zone
What math problem do we use to find out how many moons fit across the diameter of the sun?
109x4 (multiplication)
What was the diameter of our sun supposed to be? (How many centimeters?)
138.5 centimeters
Lumps of rock that surround the solar system are called the: ______ Belt
Asteroid
nuclear explosions
above the radiative zone, the outside layer of the sun's interior
convective zone
What is a clump of ice and dust that begins to glow and produce shining tails when they come near the sun?
Comet