Scientific Explanations Chapter 0 Chapter Test C Multiple Choice

Name
Date
Class
Chapter 0
Chapter Test C
Scientific Explanations
Multiple Choice
Directions: On the line before each question, write the letter of the correct answer.
1. Which two tools serve a similar purpose?
A. scissors and slide
B. scalpel and pipette
C. microscope and pipette
D. magnifying lens and microscope
2. In an investigation to determine which of three brands of cereal tastes best,
which method would NOT reduce bias?
A. repeating the investigation many times
B. asking a random sample of people to try the cereal
C. removing the labels from the cereal before asking people to taste it
D. telling people which cereal is your favorite before they try the samples
3. Which statement correctly applies the definitions of the terms explanation and
Completion
Directions: On each line, write the term that correctly completes each sentence.
4. In a controlled experiment, the factor that is measured or observed is
the
5.
.
is a description of how close a measurement is to an
accepted value.
6. Each number in a measurement that is known with a certain degree of reliability is
a(n)
.
7. The factor in a controlled investigation that is changed by the investigator is
the
8.
.
is a description of how similar measurements are to one
another.
66
Scientific Explanations
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
description to tell about scientific theories and scientific laws?
A. Scientific laws and scientific theories are descriptions of events.
B. Scientific laws and scientific theories are explanations for events.
C. Scientific laws are explanations; scientific theories are descriptions.
D. Scientific laws are descriptions; scientific theories are explanations.
Name
Date
Chapter Test C continued
Class
Chapter 0
Interpreting a Diagram
Directions: Complete this flow chart by writing the correct step in the correct spaces.
Steps in a Scientific Investigation
9.
Hypothesize and Predict
10.
Analyze Results
11.
12.
Short Answer
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Directions: Respond to the statement on the lines provided.
13. Combine information about the three main outcomes of scientific inquiry (new
technologies, new materials, possible explanations) to write a statement describing how
scientific inquiry impacts everyday life.
Concept Application
Directions: Respond to each statement on the lines provided. Use complete sentences.
14. Formulate an explanation of the process of scientific inquiry. Include the exploration
of microalgae as a source of fuel as an example.
Scientific Explanations
67