Name
LESSON
Date
Outline
Tools of the Scientist
Use your textbook to help you fill in the blanks.
What are types of data?
1. Descriptive data that cannot be measured are called
qualitative data
.
2. Volume is an example of
because it can be measured.
quantitative
data
explanations
3. Scientists use their data to develop
or interpretations of their observations.
,
4. When collecting data, it is important to use caution and
repeat the same procedure each time so that
consistent
measurements are
.
How do scientists collect data?
5. The length of your cafeteria should be measured in
meters
using a meterstick.
scale
6. Weight can be measured using a(n)
.
7. Information can be shared quickly using the
© McGraw-Hill Education
Internet
8. The gram is the
for mass. The
unit for length.
.
metric
meter
standard unit
is the metric standard
units of 10
9. The metric system is based on
. This
means that units can be converted to smaller or larger metric
system units by multiplying or dividing by 10.
Unit 1 • Building a Better Scientist
Unit Resources
Use with Lesson 3
Tools of the Scientist
1-33
LESSON
Outline
Name
Date
How do scientists communicate data?
graphs
10. Scientists use
to visually represent
their data so relationships can be seen.
columns
11. Tables display information in rows and
.
median
1 2. The
is the middle number in a set of
data when the data are arranged in numerical order.
range
13. The
in a data set is the difference
between the highest and lowest values.
How can we stay safe in the lab?
14. Reading directions and following your teacher’s
instructions
will help keep you safe in the lab
and in the field.
15. Goggles, gloves, and aprons are different types of safety
equipment
that you might need to wear to
protect your eyes and skin.
16. After conducting a scientific investigation and after handling
animals, you must
wash your hands
.
Critical Thinking
17. How can using the wrong units or measuring tools lead to
imprecise measurements?
not be precise. Similarly, if a measuring tool has a scale that is very
large, then the measurement will be imprecise. If a measurement is
reported with the wrong units, it will be inaccurate as well.
1-34
Unit 1 • Building a Better Scientist
Unit Resources
Use with Lesson 3
Tools of the Scientist
© McGraw-Hill Education
If a unit that is too large is used to measure an object, the results will