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science 1st 6 weeks

QuestionAnswer
analyze to study the parts of something carefully
balance scale a tool used to compare the mass of two objects
boiling point the temperature at which a liguid changes to a gas
buoyancy the ability of an object to float or rise in a liquid
classify to sort objects into groups that are alike in some way
concave a type of lens whichis thinner in the middle
conclusion a statement telling the results of an investigation based on data and observations
convex a type of lens that is thicker in the middle
conductor a material that easily transfers heat or electricity
dissolve to mix completely with another substance to form a solution
energy the ability to work or cause change
experiment to discover something
force a push or pull that causes an object to move, stop, or change direction
freezing point the temperature at which a liquid changes to a solid
friction the force that resists motion when two surfaces rub against each other
hand lens a hand-held magnifying glass
insulator a material that stops or slows the flow of heat, electricity, or sound
magnet an object that attracts iron or steel
mass the amount of matter in an object
matter anything that has mass and takes up space
mechanical energy kinetic and potential energy, the energy in an object due to its position or motion
melting point the temperature at which a solid changes to a liquid
motion movement of an object
physical characteristics a physical feature of an object
reflection light energy that bounces off a surface
refraction the bending of light rays as they pass from one substance to another
repel to push away
soluable able to be dissolved in or by a liquid
solute the substance which is dissolved in the solvent
triple beam balance a scale that uses three bars to measure the mass of an object
variable a factor that changes in an investigation so the effects can be observed
water vapor water that has changed into a gas
work what happens when force moves as object
Created by: jrex
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