(Savvas 1.3) The Way Science Works IV Part 2 (Holt 1.2)

Why is it important to always have one estimated digit in scientific measurements?

• To tell other scientists about the precision of the measuring tool used.

• To follow a standard procedure

• To avoid errors

• To make the measurement look better

When using a more precise instrument with millimeter marks, which of the following measurements would indicate the correct number of digits?

• 12.3

• 12

• 12.345

• 12.34

What is the term for the curve seen in a liquid when measuring its volume in a graduated cylinder?

• Meniscus

• Concave

• Arc

• Convex

What is the base unit for measuring volume in the scientific laboratory?

• Liter

• Milliliter

• Cubic dekameter

• Gallon

How does temperature affect the volume of a substance?

• Higher temperature decreases volume

• Higher temperature increases volume

• Temperature has no effect

• Lower temperature increases volume

Tags

NGSS.MS-PS1-4

What is the difference between mass and weight?

• There is no difference

• Mass is constant, weight changes with gravity

• Weight is constant, mass changes

• Mass is affected by gravity, weight is not

Which tool is best for measuring mass accurately?

• Ruler

• Thermometer

• Scale

• Balance

What unit is used to measure weight in the metric system?

• Pounds

• Grams

• Newtons

• Kilograms

What does a spring scale measure?

• Temperature

• Weight

• Volume

• Mass

Which unit would you use to measure the volume of water in a cup?

• Gallons

• Cubic meters

• Milliliters

• Liters