# Danielle Heat/Electricity/Magnets

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### Energy

the ability to chause change or do work

### Thermal Energy

energy caused by moving particiles in matter

### Heat

the transfer of termal energy from one substance to another

### Temperature

a measure of the average amount of motion of the particles in matter - measured using a thermometer

### Conduction

transfer of heat energy by one thing toughing another ex. metal spoon in hot water heats up

### Conductors

materials that allow heat to move through them easily ex. metals, water

### Insulators

materials that limit the amount of heat that passes through them ex. wood, plastic

### Static Electricty

when positive and negative charges between two objects are unbalances ex. sparks fly when you walk on carpet then touch metal object - clothing cling to each other in dryer

### Opposite Charges

attarch each other

### Same Charges

repel each other (push away from)

### Electric Current

electric charges in motion travel quickly and invisibly

### Electric Circuit

the path that current flows must be closed (no breaks) for current to flow

### Insulators

material that electrical charges CANNOT travel through easily ex. plastic, rubber, glass, wood

### Condctors

material that electric charges CAN travel through easily. ex most metals

### Series Circuits

electric current travels in one single path

### Parrallel Circuits

electric current has two or more paths in can follow

### Magnetism

the pushing or pulling force that exists when magnetic material is near

### magnetic Field

an invisible field around a magner - Earth is surrounded by a huge magnetic field

### Magnets

attracts things that are made of iron, steel, and other metals - have two poles (North and South) with opposite charges

### Unlike Poles

attract each other

repel each other

Example: