PPT-Particle Model revision Density is the mass of a given volume of a substance

The density of a substance is determined by the mass of the atoms it is made from and how closely these atoms are . Density: The amount of matter that occupies a certain space.. It is the mass per unit volume of a substance. . What is Density?. Densities of Common Elements and Compounds.  Substance.  Density. grams per mL or cc. Which is heavier, gold or feathers?. Which is heavier,. cup of foam or cup of beans?. Density. When you have equal amounts of material, and one is heavier than the other, the heavier material is denser.. NOTES ON DENSITY. I Density(D). An object’s mass compared to its volume. On Earth we can sometimes use weight for mass.. IV Density Facts. Things with . HIGH Density. : Bowling Ball Shot put. September 7th. DO NOW: . Write a sentence which explains how the terms “senses,” “observations,” and “inferences” relate to each other. Then, make two MORE observations and one inference about the room. Be prepared to share your inference. . Taking up space. Which is heavier, a . tonne. of lead or a . tonne. of feathers?. Everyone knows that lead is heavier than feathers, but that is not the right answer.. Tonne. of anything weighs the same.. In this photo of an oil spill, the oil . i. s floating on the . water. It . floats . because . oil is . lighter than water. . When comparing fluids using the words ‘light’ and ‘heavy’, . you must examine the same volume . I Density(D). An object’s mass compared to its volume. On Earth we can sometimes use weight for mass.. IV Density Facts. Things with . HIGH Density. : Bowling Ball Shot put. Big Marble. Things with . Which one of these weighs more???. A kg of bricks or a kg of feathers?. Both of the objects are 1 kg… so they both weight the same. . So why do we want to say bricks????. A kg of bricks may not weigh more, but it does have a higher density!!!.  . Metric Base Units of Measure.  . Mass = gram (g). Volume = liter . (L). Length = meter (m. ). . Time = second (s).  . Know . your metric prefixes.  . kilo-. Bell Ringer…. A piece of metal has the mass of 3.45 kg. What is its mass in g?. A container has 2.3 L of gas in it? What is its volume in mL?. A container has 750.00 mL of liquid in it. What is its volume in . Answer the following questions!. You may use your notes from yesterday.. How . many significant figures are in each number?. 1.23. 0.0045. 0.100. 9.001. Write . the following in Scientific Notation.. I Density(D). An object’s mass compared to its volume. On Earth we can sometimes use weight for mass.. IV Density Facts. Things with . HIGH Density. : Bowling Ball Shot put. Big Marble. Things with . Matter is what the universe is made of.. Matter is anything that has mass and volume.. Examples include just about everything (any solid, liquid or gas).. Example of things that are not matter include electricity, sound and light.. Measurement in Chemistry. In . chemistry we. do experiments. measure quantities. use numbers to report measurements. Metric System (SI). Is a decimal system based on 10. Used in most of the world.