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Semester 1 Review

QuestionAnswer
a change in state from a liquid to a solid freezing point
a change in state from a solid to a liquid boiling point
Water freezes at this temperature 0 degrees Celsius
Water boils at this temperature 100 degrees Celsius
changes in which the form or shape of a substance changes but the substance keeps its identity physical change
a measure of the energy of motion of the particles in a substance temperature
matter that does not have a definite volume or shape Gas
matter with a definite volume but does not have a definite shape liquid
matter with a definite volume and shape solid
The faster the particles move in a substance the _________ the temperature higher
The slower the particles move in a substance the _______ the temperature lower
a state of matter with particles that move very quickly and are far apart form one another liquid
this state of matter will expand and fill its container liquid
A state of matter where the particles move slower and slide past one another liquid
the amount of space that matter takes up volume
the tools used to measure volume beaker or graduated cylinder
the amount of matter in something mass
the tools used to measure mass balance or triple beam balance
anything that has mass and takes up space matter
a physical property that determines whether on substance will sink or float relative density
If a substance is less dense it will _______ above another substance. float
If a substance is more dense it will _________ in another substance. sink
the physical property that is the ability of a substance to dissolve when mixed in another solubility
the physical property that is the ability of an object to attract iron or steel magnetic
the physical property that is used to describe how something feels texture
the solid state of water ice
the gas state of water water vapor
the change in the state of water from a water vapor to a liquid condensation
two factors that affect how quickly water evaporates heat and temperature
when a solid changes to a liquid this occurs Melting
when a liquid changes to a solid this occurs Freezing
an object will float in water if it's tiny particles are loosely packed and far apart. bouyant
an object will sink in water if it's tiny particles are close together density
used in life science to observe organisms materials to support observations of habitats such as terrariums and aquariums
tool used to take a picture camera
a hand held tool that magnifies objects hand lens
an instrument used to measure the temperature of air and liquid celsius thermometer
a device that reflects light mirror
a device used to measure liquids accurately beaker, or graduated cylinder
a tool used to measure the pull of gravity on an object spring scale
a tool that uses a collection of lenses to magnify small objects microscope
a device used to search and find infromation computer
an instrument used to measure distance or length metric ruler
tool used to measure an object's mass balance or triple beam balance
a tool used to heat liquids for scientific experiments hot plate
tool that shows the color spectrum prism
tool used to collect or capture things collecting net
eye wear that protects the eyes safety goggles
a device used to measure time timing device
this cannot be created or destroyed energy
the energy of an object due to its position mechanical
the energy of moving particles that produces heat thermal
the form of energy that can be seen light
the type of energy that can be heard, caused by vibrations sound
this type of object allows almost all light to pass through it transparent
this type of object allows some light to pass through it transluscent
this type of object does not allow any light to pass through it opaque
light energy that bounces off a surface is _______. reflection
the bending of light rays as they pass from one substance to another refraction
the up and down movement of surface water, light or sound wave
the distance between a point on one wave and the identical point on the next wave wave length
the measure of how loud or soft a sound is; measured in decibles volume
the highness or lowness of a sound pitch
a measure of the number of waves that pass a point in a second frequency
a longitudinal wave that is caused by vibrations, and travels through a material medium sound wave
a form of energy that consists of a flow of electric charges through a conductor electric
energy that is stored; based on position potential energy
energy of motion; that does work in forms of electrical, light, sound and thermal energy kinetic energy
apple juice, tinted window; umbrella are all objects considered to be ________. translucent
milk, wood, and a rock are all objects considered to be ___________. opaque
water, a clear window, and safety goggles are all objects considered to be _______. transparent
using a door knob, using a hammer, and a bicycle are all examples of this type of energy mechanical
lightning bolts, power lines, and a cell phone charger all use this type of energy electrical
a lamp, stop light and a laser all use this type of energy light
hot chocolate, kids exercising, and boiling water all have this type of energy thermal
a dog barking, a train, and kids laughing all have this type of energy sound
popcorn and candy, chicken noodle soup, a fish in a bowl would all be considered a _________. mixture
kool aid; syrup, and salt water would all be considered a _________. solution
This has two or more substances that do NOT for another substance when mixed mixture
this can be separated by color, size, and shape mixture
substances do not lose their identifying characteristics when mixed in a _________. mixture
In a ________ you can take the two substance back out. mixture
a _______ is a mixture of two or more substances in which on substance dissolves in another. solution
in a ________ when a substance combines it creates a property change solution
it is hard to tell the identity of the substances within this type of mixture solution
_______ and ________ is used to separate the salt and water solutions evaporation and thermal energy
This mixture is hard to separate solution
a test conducted to discover something experiment
a force that moves something away push
what occurs when a force moves something away work
a force that opposes the motion of an object through the air air resitstance
a material that readily allows electric charges to pass through it and therefore carries electricity well. conductor
zinc, copper, wires, graphite and lightning rods are all considered ________. conductors
a material that resists the flow of electric charge and therefore does not conduct electricity well. insulator
plastic, glass, rubber, and wood are all considered to be __________. insulators
an electrical circuit that has more than one path for electric charges to follow. parallel circuit
a path along which electric charges can flow circuit
an electric circuit in which electric charges have only one path to follow series circuit
in a circuit this provides the electricity power source
in a circuit this is what is being powered load
in a circuit this is what turns the power on or off switch
in a circuit this is what the electricity flows through Connectors
Created by: amygeorge