1. Which of the following is an SI base unit for time? (2 points)

Decades

Hours

Minutes

Seconds


2.Which of the following tools should a scientist use to measure an object in milligrams? (


Graduated cylinder

Pan balance

Tape Measure

Thermometer



3. Which of the following prefixes represents the largest value? (2 points)


Giga

Hector

Kilo

Milli