Download 2/9/15 Vocabulary

Mechanical Energy Graphic Organizer
Mechanical Energy is ___________________________________
___________________________________________________.
Mechanical Energy can be either ____________________________
____________________________________________________.
Mechanical Potential can be increased by_____________________
___________________________________________________.
Mechanical Kinetic can be increased by ______________________
___________________________________________________.
Examples of Mechanical Potential: (draw pictures and explain)
1.
2.
Examples of Mechanical Kinetic: (draw pictures and explain)
1.
2.
Thermal Energy Graphic Organizer
•What is the difference in thermal energy and temperature?
•What happens to the molecules of an object at a high temperature? Low temperature?
•What direction does heat transfer occur?
•What are examples of conduction, convection and radiation?
•When heat melts an object or when heat evaporates an object, what type of energy transformation is
taking place?
•You must have a picture and written response!
Energy Quiz
Chemical, Nuclear, Thermal and Mechanical
Short Answer:
1. Why is the metal spoon in your cup of hot chocolate hot?
2. Engineers have to put a lot of work into developing thrill rides such as roller coasters.
How can the Law of Conservation of Energy be applied to a roller coaster?
3. Chemical and Nuclear energy are often confused with each other. What are some
similarities and differences between the two.
Multiple Choice:
4. A group of sheep are grazing in a field. As they eat, the sheep break down the molecules
in the grass which releases energy. Which form of energy is stored in the grass?
a.
b.
c.
d.
chemical energy
elastic energy
nuclear energy
thermal energy
5. A toy robot can walk and talk and runs on batteries. What type of energy is stored in the
batteries?
a. chemical
b. kinetic
c. nuclear
d. thermal
6. What type of energy is a form of electromagnetic energy?
a.
b.
c.
d.
chemical
light
nuclear
sound
7. When a hand-held fan is turned on, the blades spin. Which diagram shows the energy
conversion that is required to make the fan work?
A. electrical
B. Chemical
C. Chemical
D. Electrical
Thermal
Light
Electrical
Electrical
Chemical
Light
Kinetic
Kinetic
8. Energy that is stored in the nucleus of an atom. It is released when a chemical reaction
takes place. It can be used to run electrical power plants.
a.
b.
c.
d.
electrical
nuclear
chemical
thermal
9. Potential energy is energy that is stored. Food has stored energy that gives us energy
throughout the day. This type of stored energy is know as
a.
b.
c.
d.
electrical
nuclear
chemical
thermal
10. In the west, wind energy is used. It is a way to use renewable resources, therefore helps
the environment. What energy transformation could take place when using windmill
energy?
a.
b.
c.
d.
electrical mechanical
thermal
chemical
mechanical
electrical
mechanical
electrical
light
nuclear
electrical
heat
Important Facts About Electric Circuits
1.
There are two types of electric circuits.
a.
Two types of circuits
1. _____________
2.______________
b. Diagrams of each:
1.
2.
2.
Three main parts of a circuit:
a.
___________________
3.
b.
___________________
c.
___________________
What is the main differences in the two types of circuits.
a.
_______________________________________________
b.
_______________________________________________
Notes:
*The greater the resistance=less
voltage
*Factors that affect resistance:
-type of material- Metal is best
(copper)
-length of wire- Longer wire= more
resistance
-diameter of wire-Thin wire has
more resistance
-temperature of wire-Lower temp.
has more resistance
*Unit of measure-ohms
Physical Science/Day
Electricity Study Guide
Test: 2/9/15
Vocabulary: (you should have definitions on note cards or graphic
organizers)
electrical energy, insulators, conductors, static electricity, electric field, conduction,
circuit, current, electric charge, parallel circuit, series circuit, resistor, source, load,
Questions:
1.
What type of charge do electrons have?
2. What is the best material for conducting electricity?
3.
4.
5.
6.
7.
8.
9.
10.
What happens in a series circuit if one bulb goes out?
What are some examples of insulators?
When do you have more resistance in a circuit?
How can a bird sit on an electric wire and not get electrocuted?
What charges are created during static electricity?
What happens if you increase and decrease the voltage in a circuit?
What direction does electricity flow?
What is the difference in static and current electricity?
Diagrams:
Be able to identify diagrams of:
1. A series circuit
2. A parallel circuit
3. Identify if a parallel or series circuit will work.
Magnetism:
Divide your Graphic Organizer into 4 sections
*Magnets attract-iron, nickel, cobalt
and other magnets.
*A magnet has two poles-north and
south.
*Like poles repel, unlike attract.
*Magnetic field*Area surrounding a magnet.
*Extends between the north and
South Pole.
*A magnet should never be dropped or
heated.
*********************************************
*Items that do not attract magnets:
*Uses for magnets:
*Draw a diagram of the magnetic field (p. 657)
Electromagnetics:
*A temporary magnet produced by an
electric field.
*Can be turned on and off
*Strength depends on:
1. Size of the core- larger core=more
strength.
2. Number of coils around the wiremore coils=more strength
*Can reverse the poles
*Uses:
Junkyards, doorbells, video tapes, motors,
electronics
Magnets/Electromagnet Quiz
1.
Opposite poles of a magnet ______.
2.
Magnets have the greatest attraction at the ______.
3.
The area around a magnet that is magnetized is called the
________ ______.
4.
The three metals that are attracted to magnets are _____,
_____ and ___.
5.
You should never ______ or _____ a magnet, because it will
reverse or damage the poles.
6.
What three objects do you need to create an electromagnet?
7.
What makes electromagnets different from permanent
magnets?
8.
What are some ways electromagnets are used in real life?
9.
Name three ways you can increase the strength of an
electromagnet.
10. Draw a diagram of an electromagnet.