Lesson 1
What are the two basic types of energy?
Kinetic and Potential Energy
All objects are made up of particles called what?
Atoms
A cell phone transfers electrical energy into to _____ ______ that travels to other phones.
electromagnetic energy
Name two scales used for measuring temperature.
Celsius Scale
Fahrenheit Scale
Kelvin Scale
_____ is a type of heat transfer that occurs only in fluids.
Convection
The Kinetic energy of an object depends on its _____ and _____.
speed, mass
An object's mechanical energy a combination of its _____ _____ and its _____ _____.
potential energy, kinetic energy
When you turn on an iron, _____ energy is transformed into _____ energy.
electrical energy, thermal energy
What are the boiling point and freezing point of water on the scale invented by Anders Celsius?
Boiling point: 100 degrees
Freezing point: 0 degrees
Name two ways heat is transferred.
Convection
Conduction
Radiation
The Potential energy of an object depends on its _____ and _____.
shape, position
The region in the center of an atom is called the what?
Nucleus
Plants transform _____ energy into _____ energy.
electromagnetic, chemical
The total energy of all the particles in an object is its what?
Thermal Energy
Some kinds of weather changes are caused by these in the air.
Convection Currents
What is the SI unit for energy?
Joules
What is one example of electromagnetic energy?
Light
Microwaves
X-rays
Radio waves
Infrared (heat) waves
Answers may vary.
Your body transforms _____ energy into _____ energy when you ride your bike.
chemical, kinetic
A hot dog that is 50oC.
Warming yourself at a campfire is what type of heat transfer?
Radiation
What is the SI unit for work?
Joules
What are the 5 other forms of energy?
Nuclear Energy
Electromagnetic Energy
Thermal Energy
Chemical Energy
Electrical Energy
Describe the energy transformation that is demonstrated by a waterfall.
Gravitational potential energy is transformed into kinetic energy.
Which has higher thermal energy: An 80oC pitcher of cocoa or an 80oC mug of cocoa?
A pitcher that is 80oC.
Boiling water in a pot on a stove uses what two types of heat transfer?
Conduction, Convection