Space Survival Flashcards
What are the 8 forms of energy?
Chemical - battery, food, fuel Gravitational - water behind a dam, something at height Elastic - stretched elastic, stretched spring, compressed ball Nuclear - sun, nuclear fuel Kinetic - car moving Thermal - hot object Vibrational - vibrating guitar string Electrostatic and magnetic - charged particles attracting, magnetic repelling
Energy Give an example or two of Chemical energy
Battery, food, fuel
Energy Give an example or two of Gravitational energy
Water behind a dam, something at height
Energy Give an example or two of Elastic energy
Stretched elastic,stretched spring, compressed ball
Energy Give an example or two of Nuclear energy
Sun, nuclear fuel
Energy Give an example or two of Kinetic energy
Car moving
Energy Give an example or two of Thermal energy
Hot object
Energy Give an example or two of Vibrational energy
Vibrating guitar string
Energy Give an example or two of Electrostatic and magnetic energy
Charged particles attracting , magnets repelling
Energy All devices transfer energy from one form to another when they do work. What are the four ways energy can be transferred or shifted?
Mechanically - via a force Radiation - light or sound Electrically - via motion of charge Heating - hot to cold
Energy All devices transfer energy from one form to another when they do work. How does this work for mechanical energy?
Via a force
Energy All devices transfer energy from one form to another when they do work. How does this work for radiation
Light or sound
Energy All devices transfer energy from one form to another when they do work. How does this work for electrical energy?
Via motion of charge
Energy All devices transfer energy from one form to another when they do work. How does this work for heating?
Hot to cold
What are the 5 main parts of a Bunsen burner?
Barrel Collar Air hole Gas hole Base
What do we call a change when new substances are made that are different from the substances we started with?
Chemical change
What is a chemical change?
a change when new substances are made that are different from the substances we started with?
For a chemical change, what are the new substances called?
Products
For a chemical change, what do we call the substances we started with?
Reactants
What do we call the change that affects the form (solid, liquid or gas) of a chemical substance but not its chemical composition?
Physical change
What is a physical change?
change that affects the form (solid, liquid or gas) of a chemical substance but not its chemical composition?
What are they three forms a chemical substance might have?
Solid, liquid, gas
What are four signs that a chemical reaction has occurred?
A distinct colour change Heat is taken in or given off, or light is given off Fizzing or a gas being created A precipitate forming (such as a solid forming when toe liquids are mixed together)
What type of reaction are you likely to have seen if you see the following? A distinct colour change
Chemical reaction
