Magnets
How would the number of heartbeats change after recess?
it would be higher
An object that sticks to iron or steel.
What is a magnet?
Materials that allow energy to flow through.
What are conductors?
Which type of energy creates a heartbeat?
electrical
What did the light bulb do to make streets safer?
People could see at night.
What two poles would you put together to get two magnets to attract to each other?
What is north/south or south/north?
A circuit that does not allow energy to flow through.
What is an open circuit?
What does a light switch do?
Opens & Closes the Circuit
What do you call motion energy going from one object to another?
What is energy transfer?
This third grade teacher had a birthday yesterday!
Who is Mr. Markowski?
Which force causes static electricity to build on an object?
electric, thrust, gravity, or friction
friction
All the things need to make a circuit.
What are components?
A circuit that allows energy to flow
What is a closed circuit?
If a device needs more electricity to work, it requires a higher _________?
voltage
How many meters are in a kilometer?
What is 1000 meters?
What two poles on a magnet repel?
What is north/north or south/south?
What type of energy creates lightning?
A. solar electricity
B. static electricity
C. current electricity
D. hydroelectricity
B. static electricity
Material that stops the flow of electricity.
What are insulators?
When leaves use sunlight, water, carbon dioxide, and chlorophyll to make food.
What is Photosynthesis?
What creates electricity in our bodies?
cells
Which lamp has a closed circuit? A lamp that is on or off?
ON
How many volts does a flashlight require?
3
Some devices need more _______ to function. This requires more ________ in the circuit.
friction voltage
static charge
electricity wire
Electricity & Voltage
How many failed light bulbs did Edison create?
Thousands
What does the law of conservation of energy state?
Energy cannot be created or destroyed.