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### 25 Cards in this Set

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 matter anything that has mass and takes up space property a characteristic of seomthing you could observe buoyancy the upward force of water, another liquid, or air that keeps things afloat mass the amount of matter making up an object solid a state of matter that has a definate shape and takes up a definate amount of space liquid a state of matter that takes up a definate amount of space but has no definate shape gas a state of matter that does not take up a definate amount of space and had no definate shape metric system a system of measurement based on units of 10 length the number of units that fit along one edge of an object volume how much space an object takes up area a measurement that describes the number of unit squares that cover a surface weight the measure of the pull of gravity between an object and earth density the amount of matter in a given space mass is anything tht takes up space and weight is the measure of the pull of gravity between an object What is the difference between mass and weight adding heat and energy causes the air particles inside the balloon to move about more quickly Why does a hot air balloon stay afloat? They are all matter. How are solids liquids and gasses the same? A solid's particles are packed tightly together and gases are spread apart. How are solids liquids and gasses different? Gas What is helium an example of? buoy Give an example of buoyancy. Shape and size Name two properties of matter solid, liquid and gas Name three states of matter. reduce , reuse and recycle What are the most common ways of dealing with garbage. water Name a type of matter that can exist in all three states> (solid, liquid, gas) reuse When we take a plstic carton and use it as a watering can. recycle After we use something and it is made into something else