PS Test 3 (7th) 21-22

What is the International System of Units?

• It is the only system of measurement with an official status in nearly every country in the world

• It is just another system of measuring the natural world

• None of the above

Which countries do not follow the International System of Units?

• Germany, Italy

• Peru, Venezuela

• United States, England

Why was the International System of Units created?

• Becuase it allows scientists to communicate data with each other about their results.

• Because the Frech wanted to be more important than the rest of countries around the world

• None of the above

What is length?

• Longitud

• Peso

• Altura

What is the basic unit to measure length?

• meter (m)

• gram (g)

• light (cd)

What is the meaning of the prefix CENTI (meter)?

What is the meaning of the prefix MILI (meter)?

What is the meaning of the prefix KILO (meter)?

1 km = 1000 m

• True

• False

What is the length of the eraser?

• 3 cm

• 8 cm

• 6 cm