How Does Matter Become Charged
How Do Electric Charges Flow
How Do Electric Charges Flow AND What are Magnetic Fields
What are Magnetic Fields AND How is Electricity Transformed to Magnetism
How is Electricity Transformed to Magnetism AND How is Magnetism Transformed to Electricity
100
These are the building blocks of matter
What are ATOMS?
100
A loop with no breaks throgh which electric current can flow
What is CLOSED CIRCUIT?
100
Magnetic fields are strongest at these points?
What is SOUTH POLE AND NORTH POLE or POLES?
100
This is a force that acts on moving electric charges and magnetic materials that are near a magnet
What is MAGNETISM?
100
These are three ways to make an electromagnet stronger:
What are INCREASE THE AMOUNT OF CURRENT IN THE WIRE; INCREASE THE NUMBER OF TURNS OF METAL COIL and MAKE THE MAGNETIC CORE LARGER?
200
This occurs when positive and negative charges no longer balance
What is STATIC ELECTRICITY?
200
Fill in the blanks: If the swicth is closed, the current can________ , but if the switch is open, the current can___________ _______.
What is FLOW and NOT FLOW?
200
This is a circuit in which an electric current travels in one path or loop...
What is SERIES CIRCUIT?
200
What is the structure or design of a magnet?
What is it has a north and a south seeking poles on each end?
200
This is produced when a coiled wire is spun around a magnet
What is ELECTRICAL ENERGY?
300
Objects with like charges do this
What is repel or push away from each other?
300
Material through which electric charges cannot flow easily are called.....
What is INSULATORS?
300
Curreent has more than one path or loops; this is called a
What is PARALLEL CIRCUIT?
300
When a magnet is broken into two pieces this happens
What is THE TWO PIECES THAR CREATED EACH HAVE A NORTH AND SOUTH POLE?
300
Choose the term that belong in the sentence: In a doorbewll, electromagnets help convert _________ to _____________, to _____________
What is A. magnetic energy, electric energy, mechanical energy B. electric energy, magnetic energy, mechanical energy C. electric energy, mechanical energy, magnetic energy D. mechanical energy, magnetic energy, electric energy
400
Objects with different charges; negative and positive do this
What is ATTRACT?
400
Material through which electric charges can flow easily are called
What are CONDUCTORS?
400
Most modern homes are wired in a parallel circuit rather than a series circuit because of this
What is IF ONE CIRCUIT MALFUNCTIONS, APPLIANCES ON THE OTHER CIRCUIT CAN RECEIVE CUURENT?
400
A compass needle points in a north-south direction because of this...
What is IT REACTS TO THE EARTH MAGNETIC POLES?
400
How do magnets help generators produce energy?
What is A GNERATOR USES MAGNETS AND WIRES TO TURN MECHANICAL ENERGY TO ELECTIRCAL ENERGY. ELECTRICITY CAN BE GENERATED 3 WAYS: 1. MOVING A MAGNET IN COILS OF WIRE 2. SLIDING A COILED WIRE BACK AND FORTH OVER A MAGNET 3. SPIINING A COILD WIRE AROUND A MAGNET
500
Sparks flying while walking on a carpet and on a cold day hair stands up on your head when your hat is removed are examples of
What is STATIC ELECTRICITY?
500
Which of the following would be a good conductor for a closed Circuit? A. WOOD B. COPPER C. RUBBER D. PLASTIC
What is COPPER?
500
This would happen if one bulb in a loop of bulbs on a series circuit were to blow
What is THE OTHER BULBS WILL NOT WORK OR LIGHT UP?
500
Thye earth's magnetic north poles is located in___________ anf the earth's magnetic south pole is located here________
What is in the SOUTH and the NORTH?
500
MATH IN SCIENCE: Wind turbines generate electricity much better today than they did about 25 years ago. In 1981 a wind turbine produced 25 kilowatts of electrical power. A modern turbine can create up to 750 kilowatts of electricity. How many times more powerful is a modern wind turbine?
What is 750 kW -:25kW = 30 kilowatts 30 times more powerful
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