1.31 Understand gravitational field strength, g, and recall that it is different on other planets and the moon from that on the Earth.

Questions	Answers
What does small 'g' stand for in the equation W = mg?	gravitational field strength
What is approximate value of 'g' on Earth?	10
What is approximate value of 'g' on the Moon?	1.6
What are the units for 'g'?	N/kg
Why is this equation useful?	so we can find our weight from our mass
Why is 'g' different on different planets?	Because different planets have different mass
Which object in our solar system has the largest 'g'?	The sun
Explain why this object has the largest 'g'	it has the largest mass
Where on a planet is 'g' the greatest?	the core
What happens to the value of 'g' as you go further away from a planet?	decreases
How does this affect your weight?	decreases
Find your mass on the bathroom scales and then find your weight on different planets (click this link: http://www.exploratorium.edu/ronh/weight/), take a screen shot and upload the image to your blog	Click to enlarge image