Science & Nature
EasyMeasurement Crossword
Category: Science & NatureDifficulty: Medium11 × 12
Friday, August 28
Leaderboard Ad Unit
Enter one letter per square. Answers run Across or Down. Omit spaces and accents; any special spelling convention is stated in the clue. This is a freeform themed grid, so some letters are not crossed.
MPU / Sidebar Ad Unit
About This Theme
Measuring turns a vague impression into something you can compare. This crossword introduces common units and the quantities they describe. A clue might ask how far, how long, how hot or how much electric current. Several answers are SI unit names, with the US spelling used for meter. You do not need to calculate anything. The challenge is to connect the right unit with the right kind of measurement.
Clues
Across
- 2SI derived unit of pressure (6)
- 6SI base unit of thermodynamic temperature (6)
- 7SI derived unit of energy (5)
- 8SI derived unit of force (6)
- 10SI base unit of length, US spelling (5)
- 11SI derived unit of frequency (5)
Down
- 1SI base unit of luminous intensity (7)
- 3SI base unit of electric current (6)
- 4SI base unit of time (6)
- 5SI base unit of mass (8)
- 9SI derived unit of power (4)
- 10SI base unit of amount of substance (4)
Answers and Explanations
After Your Solve
A unit name only makes sense beside a quantity. METER measures length, SECOND measures time and KILOGRAM measures mass. NEWTON and JOULE are related through physics but answer different questions: force and energy. WATT adds power, the rate of energy transfer. Keeping those pairs distinct is useful even outside a science class. When a product label gives a number, the unit tells you what that number can legitimately be compared with.
- 2 acrossPASCAL
Pressure is force per unit area.
- 6 acrossKELVIN
The kelvin is a temperature unit.
- 7 acrossJOULE
The joule measures energy or work.
- 8 acrossNEWTON
The newton is named for Isaac Newton.
- 10 acrossMETER
Meter names a unit of length.
- 11 acrossHERTZ
One hertz corresponds to one cycle per second.
- 1 downCANDELA
Candela concerns luminous intensity.
- 3 downAMPERE
The ampere measures current.
- 4 downSECOND
The second measures duration.
- 5 downKILOGRAM
Mass is distinct from gravitational force.
- 9 downWATT
A watt is one joule per second.
- 10 downMOLE
The mole specifies an amount of substance.
Further Reading
- Theme referencenist.gov
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