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Unit C Energy Test

Unit C Energy Conservation and Transfer

QuestionAnswer
What are factors that will increase an object’s temperature? The light Intensity, length of time, and Amount of light absorption
What is the best conductor of Electricity? Metal
How is energy transferred from the sun to the Earth? Electromagnetic Waves
On the Electromagnetic Spectrum, which wave allows the human eye to detect colors? Visible
When light waves shine through an object, is the light being_______________ CHOOSE ONE (Absorption, Reflection, Transmitted, or Scattered ) Transmitted
When riding a bike at night, your bikes reflectors help other cars see your bike. How does the reflector work? The reflector bounces light back from other sources
Are metals (good or bad ) conductors of heat? Good
How could you prevent a chocolate chip cookie from melting in the sun while it was sitting in the window sill? Put an object over the Chocolate so the Sun is reflected
Thermal Energy is transferred through a material when colliding with ( light, matter, ATOMS, or crystals ) within the material. ATOMS
What is the change in the direction of a wave when it enters a new medium? Refraction
What would happen if I held a copper wire with wooden handle over a candle flame? The heat will travel through the wire
What is the best insulator? Wood
What is the main source of Energy on Earth? The Sun
Which heat transfer takes place WITHIN water? Convection
Which type of LIGHT on the Electromagnetic Spectrum is not seen with the human eye? Ultra Violet light
Why does your hand feel cold when you hold an ice cube? (think of heat transfer when answering) Heat flows from your hand to the ice cube by conduction
What type of energy is produced by a generator? Electrical
What change of state is taking place when water boils and steam is visible? Liquid to a Gas
What form of ENERGY causes an ice to melt? Heat
_____________are the building blocks of matter? (unit B review) ATOMS
Does freezing water into ice involve a change in the physical properties? (unit B review) Yes or No Yes
What is the name of the change when a gas turns into a liquid? (unit B review) Condensation
Will (cooling or heating) water cause molecules in a cup of water to move slower? (Unit B review) Cooling
In an experiment, the one variable that is changed is the _____________________ (Unit A review) Independent Variable
In an experiment, all of the things must stay the same to make it fair is a _________________________ (Unit A review) Controlled Variable
Created by: Alchilders