Nature of Science

Nature of Science

7th Grade

15 Qs

quiz-placeholder

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Nature of Science

Nature of Science

Assessment

Quiz

Other

7th Grade

Medium

Created by

Andy Svec

Used 52+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Scientists frequently repeat the experiments of others scientists. Why is this important in science?

Scientists often ask each other for help in performing experiments.

Replication of experiments helps to confirm and verify results.

Scientists frequently perform other scientists’ experiments in order to practice their technique.

Repeating experiments is an effective way to make sure a laboratory is in optimal condition.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cara read an article on why repetition and replication are so important, but she did not understand the difference between them. Which of the following best explains the two terms?

Repetition is when a scientist repeats an experiment; replication is when a scientist conducts an experiment on genetic material.

Repetition is when a scientist does the same experiment a number of times; replication is when other scientists reproduce a scientist’s experiment.

Repetition is when a scientist publishes in more than one scientific periodical; replication is when another scientist reproduces another scientist’s results.

Repetition is when a scientist commits an error in an experiment the first time and must repeat it; replication is when a scientist repeats an experiment to make sure it is valid.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kaylee reads an article that states that the frequency of chirping by crickets is related to the temperature of

their environment. She wants to conduct an experiment to see if this is true. Kaylee states this hypothesis:

Crickets chirp more frequently when the temperature of their environment increases. What is the test

variable (independent variable) and outcome variable (dependent variable) in Kaylee’s experiment?

a.test variable (independent variable): number of crickets; outcome variable (dependent variable): frequency of chirping

b. test variable (independent variable): temperature of environment; outcome variable (dependent variable): frequency of chirping

c. test variable (independent variable): number of crickets; outcome variable (dependent variable): temperature of environment

d. test variable (independent variable): frequency of chirping; outcome variable (dependent variable): temperature of environment

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

independent variable

dependent variable

control variable

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
What is being kept constant?
ramp height
speed of the ball rolling
type of ball

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
What is being changed in this experiment?
ramp height
the speed that the ball rolls
type of ball

7.

MATCH QUESTION

1 min • 5 pts

Match the following parts of an experiment set up

experiment

things kept the same in an experiment

control group

factor that is measured

controlled variables

does NOT receive the experiment treatment

dependent variable

procedure done to test a hypothesis

independent variable

factor the experimenter changes

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