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Week 2.2

QuestionAnswer
Mechanical Energy movement energy - moving parts
Thermal Energy HEAT energy
Electrical Energy energy from moving ELECTRONS
Light Energy light energy we can see
Sound Energy Vibrations in the air that we can HEAR
Insoluble means - CANNOT dissolve
Soluble means - CAN dissolve
Substances that are MORE dense than water ALL syrups, sugar, sand
Substances that are LESS dense than water rubbing alcohol, ALL oils
Plants receive energy from? the sun (light energy)
Relative Density is - whether an object sinks or floats in water
Physical State is - whether an object is a solid, liquid or gas
Magnetism is - whether an object is magnetic or non-magnetic
Conductivity is - whether an object is a conductor or insulator
Solubility is - whether a substance will dissolve in water
Inherited traits are - traits that an organism is BORN with (inherits from parents)
Learned traits are - behaviors or features that are learned or acquired during the organisms life
Substances that are soluble - sugar, salt, powdered drink mix, baking soda, powdered paint
Substance that are insoluble - oils, sand, gravel, styrofoam
Reflection is - the bouncing of light off of a surface
Refraction is - the BENDING of light as it passes from one medium into another (like from air to water)
You are able to see yourself in a mirror because - the smooth surface reflects light
Maintain original properties means - the ingredients DO NOT change when mixed - everything looks the same
Change original properties means - the ingredients CHANGE after being mixed
Why does a pencil appear to be broken when placed in water? refraction bends light which causes the pencil to appear bent or broken
How does light travel? Light travels in STRAIGHT LINES
Objects that REFLECT - smooth, shiny surfaces (mirrors, metals, windows, still water)
Objects that REFRACT - lenses (projectors, microscopes, cameras, magnifying glass), water, prisms
Created by: nowlinclass
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