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Transcript of Matter!!!!!!
particles causes a solid to have a definite
shape and volume. Because it's particles are free to move, a liquid
has no definite shape. However, it does have a definite volume. As they move,gas particles spread apart,filling all available space. Thus, a gas has no definite shape or volume. Examples: Pencils or paper Examples: Water or lemonade Examples: Water vapor or steam Changes of State 1. Evaporation When the surface of a liquid escapes into the air. Example: When a puddle evaporates. 2. Condensation When the particles of a gas lose enough heat to form a liquid. Example: The water on the mirror after you shower. 3. Melting A change from a solid to a liquid. Example: Ice cream melting on a hot day. 4. Freezing A change from a liquid to a solid. Example: Freezing homemade popcicles. Elements are pure substances made up of one kind of atom, and can be separated in nuclear reactions. Atoms are tiny structures found in all matter.Most substances contain many different atoms. Only the elements contain only one kind of atom. Elements Elements, Atoms and Compounds Example: A gold atom. Compounds Example: Salt is made up of sodium and chlorine. Homogeneous Mixtures Substances spread evenly throughout. Example: Black coffee. Heterogeneous Mixtures Substances don't spread out evenly. Example: Chocolate chip ice cream. By: Kamryn Pechatsko Example: Gold Mass, Volume and Density The measurement of the amount of matter in an object. Example: When you weigh something on a triple-beam balance. The amount of space that mater occupies. Example: A fish tank full of water. Density: Relates the mass of a material in a given volume. Example: Checking to see if an object floats or sinks. Finding Density To find density, you divide the mass of the object by the volume. Potential and Kinetic Energy The energy of moving matter. Example: Running a race. The energy is stored in an object. Example: When you are about to dive off of a diving bored. Forms of Energy 1.Nuclear Energy The energy that is stored in the nuclei of atoms. Example: A nuclear power plant 2. Mechanical Energy The energy of movement. Example: Walking 3.Chemical Energy Energy that is stored in the bonds between the atoms of compounds. Example: Eating a healthy breakfast 4.Electrical Energy The energy of moving electrons. Example: A lamp 5.Electro-magnetic Energy Energy that travels through space as electrical and magnetic waves. Example: Sunlight 6.Thermal Energy The energy of moving atoms of matter. Example: When you drink hot chocolate. 3 Main States of Matter Atoms Compounds are made up of two or more kinds of atoms chemically bonded that can be separated in nuclear reactions. Compounds are also pure. Mixtures Density Mass Volume Kinetic Energy Potential Energy There are 7 Main Forms of Energy 7. Sound Energy A form of mechanical energy that starts with a vibration in matter. Example: When you talk. Motion, Speed and Direction Motion Speed Direction Motion was the result of speed and direction of the parachute. Speed was determined by air resistance and the mechanics of the parachute. Direction was determined by gravity and the position of the drop.