Physics

• Formula for finding volume of a stone;

  Final - Initial.
• To find the mass, we use a scale.
• Volume of stone;

  -Find the volume using displacement can or measuring cylinder. AND -Find mass using scale. AND -Derive Density.
• Density Formula;

  mass over volume.
• Gas;

  -Calculate the volume of the container. AND -Weight the container with gas/air. AND -Vacuum the container. AND -weight container without gas. AND -Find weight of gas by subtracting. AND -Calculate density.
• Relative Density;

  Relative Density - Tells you how many times a substance is denser than water.
• Relative Density Formula;

  Density of substance (OVER) Density of water.
• Relative Density;

  -Relative density has no units. AND -If relative density is greater than one (1) the object sinks. If the object is less than one (1), It floats.
• Relative Density;

  If relative density is greater than one (1), It sinks. If relative density is less than one (1), It floats.
• Density;

  Density is mass over volume/mass per unit over substance.
• Lunar Eclipse;

  A Lunar Eclipse occurs when the moon passes into the shadow produced by the earth, on the side facing away from the sun.
• Lunar Eclipse;

  As the moon does not produce it's own light, it looks even darker in the Earth's shadow during a Lunar Eclipse.
• Lunar Eclipse;

  When the moon passes through the Earth's Penumbra, (Partial shadow) we see a particular eclipse.
• Lunar Eclipse;


  When the moon passes through the Earth's Umbra (Full shadow) we see a total eclipse.
• Lunar Eclipse;


  Light refracted by the Earth's atmosphere causes the moon to look red.