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Semester 1 Review
| Question | Answer |
|---|---|
| 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
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