8 Sci Brandt Unit 2 Word Scramble
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Question | Answer |
What is a balance used for? | Measuring mass |
What is a graduated cylinder used for? | Measuring the volume of a liquid |
What is a beaker used for? | It is NOT for measuring. It just holds chemicals. |
Define Mass. | Mass is the amount of matter in something. |
Define Volume. | Volume is the amount of space something takes up. |
Define length. | Length is the distance between 2 points. |
Define Temperature. | Temperature is how hot or cold something is because of the movement (kinetic energy) of its particles. |
Define Time | Time is the interval between 2 events happening |
What is the SI unit and measuring device for length? | meter, metric ruler or meterstick |
What is the SI unit and measuring device for volume of a liquid? | L or mL, graduated cylinder |
What is the SI unit and measuring device for mass? | g or kg, balance |
What is the SI unit and measuring device for Temperature? | Degrees Celsius or Kelvin, thermometer |
What is the SI unit and measuring device for time? | Second, stopwatch |
Name the metric units from smallest to largest | milli, centi, deci, (base), deka, hecto, kilo |
Which metric prefix means 10 | deka- |
Which metric prefix means 1/10 | deci |
Which metric prefix means 1000 | kilo- |
Which metric prefix means 1/1000 | milli- |
Convert 18 mm to cm | 1.8 cm |
Convert 52 g to mg | 52,000 mg |
Convert 1600 m to km | 1.6 km. |
Convert 2.3 L to dL | 23 dL |
Convert 120 lbs to kg (Honors only) | 54.5 kg |
If a sample of pumice has a mass of 225 g and takes up 236.6 mL, what is the samples density | 0.95 g/mL |
Define density | Density is the mass per unit volume of a substance. |
What is the SI unit for density? | g/mL or g/cm3 |
Measurements in science always have a ___ and a ___. | number and a unit or label (example: 5 g) |
Describe the correct way to measure the volume of a liquid in a graduated cylinder. | First you must get down on eye level and read to the bottom of the meniscus. They you must also make a "guess between the lines" which is one more decimal place than the device's lines read. |
What is a measurement standard? | It is a quantity that people agree to use for measurements like the size of a meter or kg? |
What is the SI system? | It is the agreed upon world wide measurement system based on powers of 10. It is commonly called the metric system |
What are the base units in the SI system? | Meter (length), kilogram (mass), second (time), Kelvin (temperature; we use Celsius in lab), ampere (electric current), candela (light), and mole (amount of a substance) |
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judi829
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