What is a family on the periodic table?
Also called group; columns on the periodic table (go up and down); Elements in a group have the same number of electrons in the outer level
What type of lens is wider in the middle than on the edges?
A.) Concave
B.) Convex
C.) Objective
D.) Ocular
B.) Convex
Another form of radiant; the only form of energy that we can directly see.
Light
Conduction, Convection, or Radiation?
Heat energy is transferred when molecules within a substance collide.
CONDUCTION
Waves transmit _________.
Energy
A horizontal (left to right) row on the periodic table
A.) A transition
B.) A family
C.) A period
D.) A group
C.) A period
When light goes through a convex lens what happens?
A.) Diverge, or spread apart
B.) Reflect, or bounce off
C.) Create a rainbow
D.) Converge, come together
D.) Converge, come together
What type of energy?
Energy released when atoms split or join together.
nuclear energy
What are 5 examples of good insulators?
plastic, wood, paper, rubber, and glass
rarefaction
Most spread out area of a longitudinal wave
What does ductile mean?
ability to be stretched out; not brittle
What is a lens designed to do to light?
Refract light
What is mechanical energy?
Potential Energy + Kinetic Energy
What are 5 examples of good conductors?
Silver, Metal, Gold, Nickel, and Copper
Waves DO NOT transmit _________.
matter
True or False?
A valence shell is the outermost shell of an electron
FALSE!
A valence shell is the outermost shell of an ATOM!
What happens to a ray of light incident on the optical centre of a lens?
It passes straight through without being bent.
What is solar energy?
radiant energy that comes from the sun.
The amount of heat energy transferred depends on _________________.
the difference in temperature between the objects.
These waves can transmit energy through a vacuum.
Electromagnetic waves
What does malleable mean?
Able to be flattened out
What is the name given to the distance between the optical centre of a lens and the principal focus?
The focal length
WHAT TYPE OF ENERGY IS BEING DESCRIBED BELOW?
Use of heat from the earth to transform energy
Geothermal Energy
Thermal energy moves from _____ to _____ objects.
ANSWER IN ORDER!!!
Warmer, Cooler
These waves can NOT transmit energy through a vacuum.
Mechanical waves