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Science
• The study of the natural world and its processes.
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Safety
• Prevention against hurt, injury, or loss.
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Safety Equipment
• Tools used to prevent against injury or loss.
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Scientific Method
• A method of research where scientists test a problem and document their results.
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Investigation
• A formal examination or research
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Prediction
• A statement about something which may occur.
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Matter
• Anything that has mass and takes up space.•
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Magnetism
• Attracted to a magnet because it contains iron.
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Mass
• Amount of matter in an object.
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Physical State
• The classification of matter as a solid, liquid, or gas.
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Thermal Energy
• Energy that causes a change in temperature between substances.
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Inference
• An explanation based on what you already know or what you have seen.
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Relative Density
• Objects that are more dense sink in water, less dense objects float in water.
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Solubility
• Measurement of the ability for some types of matter to dissolve in a liquid.
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Dissolve
• To break down and spread out evenly in a liquid.
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Mixture
• A combination of two or more substances where each keeps its own properties and can be easily separated.
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Electrical Energy
• Energy produced by the movement of electrons.
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Conductor
• Material that allows electric current or heat energy to flow through easily.
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Insulator
• Material that slows down or stops electric current or heat from flowing.
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Energy
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Mechanical Energy
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Light Energy
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Sound Energy
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Alternative Energy Resource
• Energy generated by natural processes that is renewable.
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Wind Energy
• Energy from moving air that turns the blades of a turbine to generate electricity.
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Solar Energy
• Energy that comes from the Sun.
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Bio Fuel / Biomass
• Fuel made from plants, animal wastes, and decomposing plant and animal tissue.
•
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Renewable Resource
• Materials from the Earth that can be replaced by nature in a short period of time; for example trees.
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Nonrenewable Resource
• Materials from the Earth that cannot be replaced within a reasonable amount of time; for example, coal, oil, and natural gas.
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Fossil Fuel
• A flammable material made from the waste and remains of plants and animals in the Earth’s crust that is used to produce heat and power.
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Hydroelectricity
• Electricity made from the energy of moving or falling water.
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Geothermal
• Energy that comes from the natural heat inside the earth.
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Electric Circuit
• The pathway through which electrical current flows.
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Electromagnetism
• Magnetism created by an electric current; examples are MRI and Electric motors.
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Force
• A push or pull that causes an object to move, stop, or change directions.
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Gravity
• A force that pulls objects toward the center of Earth.
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Friction
• A force that slows or stops motion when objects rub together.
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Inertia
• The property of an object that resists movement by a force.
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Kinetic Energy
• Energy in motion
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Potential Energy
• Energy that is stored
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Illuminate
• To light up
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Reflection
• Energy waves bouncing off the surface of an object. (mirrors or echoes return energy back to their source)
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Refraction
• Energy waves that bend (change direction and speed) as they pass from one type of object to another type.
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Organic Matter
• The waste and remains of plants and animals
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Pressure
• The action of force by one object against another (in a geyser, hot water escapes the pressure from under layers of the earth’s crust)
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Sedimentary Rock
• Rock made of layers of compressed organic and inorganic sediments.
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Oil
• A flammable liquid produced from organic matter (remains of marine organisms) buried under layers of sediments for millions of years.
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Natural Gas
• A flammable material without a definite form, produced from organic material (remains of marine organisms) buried under layers of sediments found near oil deposits.
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Weathering
• The breakdown of rock into smaller particles (sediments) from the effects of wind, water, and ice.
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Erosion
• The movement of weathered material on the Earth’s surface by wind, water, or ice.
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Deposition
• The build up of land by depositing sediment and soil in a new location.
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Landform
• Features on the surface of the earth such as mountains, hill, dunes, oceans, and rivers.
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Delta
• A triangle-shaped (deposit) landform at the mouth of a river as it empties into another body of water.
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Canyon
• A deep gorge in the surface of the Earth formed by the erosion of moving water and sand.
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Sand Dune
• Hills formed by the wind blowing sand
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Volcano:
• Created from the mixture of molten lave, ash, and gases from the middle of the Earth that erupts through a crack in the Earth’s surface.
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Earthquake
• A sudden release of energy under the Earth’s surface that makes the ground shake or crack.
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