# 3-8 Chemistry

### Lesson List

 Chemistry is the study of energy and matter.  Everything you touch or see, smell or taste is made up of matter.  Mass is the amount of matter in an object.  Mass is often measured in grams.  Mass is the weight of something.  The more mass something has, the more it weighs. Volume is defined as the amount of space a thing fills.  Volume can be measured in many ways.  Some ways to measure volume are gallons, quarts and pints.  A car weighs more than a skateboard because a car has a greater mass than a skateboard.  Since it takes up more room than the mouse, it also has a greater volume. Empty space, a place that contains no matter is called a vacuum. The density of an object is the measure of how much matter is in the space that the object fills.  Some things don't contain much matter compared to the amount of space they take up. Take for example a beach ball and a brick.  A beach ball has more volume (takes up more space) than a brick, but it is much lighter.  The brick is much heavier than the air in the beach ball, but it is smaller.  The brick has a greater density than the air in the beach ball. Directions: Answer the questions below about chemistry.   Chemistry is the study of and matter.   is the amount of matter in an object.   The more mass something has, the more it weighs.  Based upon this statement place the following things in order from greatest to least mass.  Use the numbers 1, 2, 3.  Use 3 for greatest, 1 for least. computer pencil 1 lb. bag of apples   is the amount of space a thing fills.   Which of the following things has the greatest volume? skateboard bicycle car school bus   Which of the following statements is true? A place that contains matter is called a vacuum. A place that contains no matter is called a vacuum.   The of an object is the measure of how much matter is in the space that the object fills.   A brick has a greater density than a balloon, but it is smaller and takes up less space.  Put the following things in order from least to greatest density.  Use the numbers 1, 2, 3.  Use 3 for greatest and 1 for least. basketball golf ball ping pong ball
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Energy and Matter