Chapter 2: Tools of Science

What is used to alert you to possible dangers and identify safety equipment you should use?

• first aid kit

• safety symbols

• field

• your teacher

Line graphs can help you identify _________ and make predictions.

• mistakes

• values

• trends

• errors

The SI system is a __________________ measurement system.

• nonstandard

• standard

The percent difference between the known value and its measured value is called the

• percent error

• percent value

• percent difference

• percent data

Whenever you perform a lab, your chief concern must be

• fun

• safety

• learning

• lab prep

Just as in the lab, safety is also important when doing activities in the _________.

The amount of matter contained in a given volume for a substance is called

• volume

• mass

• density

• weight

Each unit in the SI system is _____ times larger than the next smallest unit.

If a shoe box measures 6 cm high, 7 cm wide, and 20 cm long, what is its volumer?

• 420 cm

• 420 cubic cm

• 840 cubic cm

• 840 cm

For which of the following would the kilometer be the most appropriate unit of measure?

• the wing span of a hummingbird

• the height of a very tall person

• the length of an ant

• the distance from Indianapolis to Lafayette