290 likes | 851 Views
Weight vs. Mass. Some Key Terms. Matter: is anything that has mass and takes up space. Mass: the amount of matter in an object. Measured in grams or kilograms. Mass is not the Same as Weight Weight: mass of an object times gravity. Mass vs Weight. MASS. Weight.
E N D
Some Key Terms • Matter: is anything that has mass and takes up space. • Mass: the amount of matter in an object. • Measured in grams or kilograms. • Mass is not the Same as Weight • Weight: mass of an object times gravity
Mass vs Weight MASS Weight Depends on gravity and mass. Weight = mass x gravity. Weight changes as gravity changes. • The amount of matter in an object • Mass is constant no matter where you are.
Moon Jumping • http://www.youtube.com/watch?v=16D0hmLt-S0
Your Weight on Other Planets • http://www.exploratorium.edu/ronh/weight/
IO 18.35lbs Europa 13.35lbs Ganymede 14.48lbs Callisto 12.64lbs
HOMEWORK • Go to • http://www.exploratorium.edu/ronh/weight/ • Put in your body weight and find out what you weigh on various celestial objects. • Write a paragraph (at least five sentences) comparing and contrasting weight and mass.
Chemical Formula: • A combination of chemical symbols and numbers used to represent a substance is a chemical formula. H2O
Chemical Formula: Indigo C16H10N2O2 16 carbon atoms 10 hydrogen atoms 2 nitrogen atoms 2 oxygen atoms
Chemical Formula: Sugar/Sucrose C12H22O11