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### 25 Cards in this Set

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 metric system data is recorded during an experiment, many times this data will be some sort of measurement. Metric units con measure length, volume, mass, weight, density, and temperature length usually measured in meters, centimeters, millimeters, and kilometers light year used to measure distances outside the solar system. Light travels at about 300, 000 km pwr a second- in one year it travels 3.9 strillim kms. volume the amount of space an object takes up. liquids- litters of mL solids measured in cubic centimeters equation for volume length x width x heighth mass measures the amount of matter in an object usually measured in kg, mg weight the measure of attraction between 2 objects due to gravity what unit is weight measured in? newtons (n) density mass per unit volume What is the equation for density? mass/ volume temperature meaured in degrees celcius. Water freezes at 0 degrees celcius and boils at 100 degrees celcius What is the formula for changing C-F? C1.8 plus 32 Formula for changing F-C -32 x .5555 dimentional analysis teh term for converted one unit of measurement to another telescope used to view and magnify objects in space. There are a variety of types that detect different types of light Electromagnetic Spectrum consists of visible and invisible light visible light this is what is collected by telescopes. What colors are considered to be visible light. Roy G biv, red, orange,yellow, green, blue, indego, violet Invisible light consists of x-rays, ultraviolent rays, and radio waves (stars give off both visible and invisible light name the 4 telescopes that detect invisible light and what kind of light. Radio telescope: collects radio waves from space X-ray telescope: X-ray of stars in space Infrared telescope: detects heat energy which is given off by objects in space or on earth Ultaviolet telescope: detects UV rays What are the 2 telescopes which collect visible light and what are their definitions 1. Optical Telescope- collects and focuses visible light from distant objects, they are used frequently in large observatories and there are 2 types. a. Reflecting Telescope- a series of mirrors collects light. (Use of mirrors means image is backwards.) b. Refracting Telescope What is the other telescope which detects visible light reflecting telescope a series of mirrors collects light which means the image is backwards. micrometer a millionth of a meter nanometer a billionth of a meter angstrom billionth of a meter