# Definitions K and L - PowerPoint PPT Presentation

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Keep on going … and then you can LOL on results day. Definitions K and L. Click for each heading then for the answer. Kinetic Energy. Moving energy. Kidney. Filters the blood Makes urine (urea, salt, water) Renal artery = brings in dirty blood Renal vein = clean blood out.

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Definitions K and L

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#### Presentation Transcript

Keep on going … and then you can LOL on results day

## DefinitionsK and L

### Kinetic Energy

• Moving energy

### Kidney

• Filters the blood

• Makes urine (urea, salt, water)

• Renal artery = brings in dirty blood

• Renal vein = clean blood out

### Kilowatt Hour

• Unit of electricity from ESB

• One kilowatt used for 1 hour

• Sums

• Change watts to kW (watts ÷1000)

• Change minutes to hours if needed (mins ÷60)

• Indicator

• Blue in base

• Red in acid

### Luminous

• Gives out light

### Lever

• Rigid body free to rotate around fixed point called the fulcrum

### Law of Lever

• When a lever is balanced

• Sum of the clockwise moments is equal to

• The sum of the anti-clockwise moments

• Moment = force x distance (perpendicular)

### Ligament

• Joins bone to bone

Bone

Bone

### LED

• Light Emitting Diode

• Gives out light when current passes through it

• Electricity allowed through one way only

• Must be connected to resistor to protect from too much current

• Minus of LED to minus of battery

### Limewater

• Turns milky with carbon dioxide CO2

• Hons (write out equation before next click)

• Ca(OH)2 + CO2  CaCO3 + H2O

### LDR

• Light Dependent resistor

• Light lowers down resistance and lets current through

• (more light more current )

• IN LIGHT METERS

Level = latent heat

### Latent Heat

• Hidden heat

• Used to change the state

• From solid to liquid or

• Liquid to gas

• Heat goes in but

temp stays the same

Also opposite direction

- cool down not heat up

• Law of Lever

• Ligament

• LED

• Limewater

• LDR

• Latent Heat

• Do I know it??

• Kidney

• Kilowatt hour

• Kinetic Energy

• Litmus

• Luminous

• Lever