Dependent variable means

the scientist controls what to test

Which of these contains steps in the right order?

Ask a question, research, state your hypothesis, experiment, analyze, make a conclusion

Ask a question, state your hypothesis, research, experiment, analyze, make a conclusion

State your hypothesis, ask a question, research, experiment, analyze, make a conclusion

State your hypothesis, ask a question, research, make a conclusion, experiment, analyze

A scientist performs an experiment to see if acids have an effect on the health of a particular type of plant. Three sets of plants were treated with acidic solutions of known pH while the control set was treated with a solution of neutral pH 7.Which is the best conclusion for this experiment?

High acidity is harmful to this type of plant.

Acid has no effect on the health of this type of plant.

B. High acidity is helpful to this type of plant.

C. Low acidity is harmful to this type of plant.

The graph below shows atmospheric carbon dioxide levels since the year 1880.Which of the following conclusions can be drawn from this graph

Atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed.

Atmospheric carbon dioxide levels are responsible for global temperature change.

Atmospheric carbon dioxide levels have been rising at about the same rate for the past century.

Atmospheric carbon dioxide levels have remained the same over the past century.

A research group has discovered that damselflies, a type of dragonfly, are being infected by a particular type of aquatic protozoan. Both young and adult damselflies are not directly infected by the protozoan but contract the infection from the prey they eat. The graph shows the percentage of adult damselflies infected by protozoans during the summer and early fal

Infection in embanked ponds increased during the sampling period.

Protozoans were more common in creek-fed ponds than embanked ponds.

Protozoans reproduce more quickly in embanked ponds than creek-fed ponds.

Infection in creed-fed ponds remained constant throughout the sampling period.

Carmen conducted an experiment to determine if listening to different types of music would affect a person’s pulse. Her hypothesis was that pulse rate would change with different types of music. Each person listened to seven different selections of music for 30 seconds each. Each person’s pulse was taken before the music and then after each 30-second interval of music. The pulses were taken again after the music selections were completed. Based on her experiment, Carmen concluded that a person’s pulse rate changed when the person listened to different types of music. Which component is missing from Carmen’s experiment?

a description of the experiment

An osmosis investigation was conducted using chicken eggs to represent cells with semipermeable membranes. The mass of each egg was measured to determine how much water diffused into or out of the eggs. The eggs were first soaked in vinegar to dissolve the shell. Each egg was then placed in one of three different solutions for 24 hours. The table below shows the results of the investigation. Based on this experiment, which of the following should be inferred about cells with semipermeable membranes?

Water enters the cell when placed in environments of high water concentration.

Substances other than water may also cross the cell membrane.

Substances other than water may block pores in the cell membrane.

Water leaves the cell when placed in environments with a low concentration of solutes

An experiment was carried out to determine whether drinking caffeinated soda increases pulse rate. The pulse rates of two groups of people at rest were measured. Group A was then given caffeinated soda and group B was given caffeine-free soda. One hour after drinking the soda, the pulse rates were measured. The participants in the experiment were all the same age, and they were all given the same amount of soda. The dependent variable in this experiment is the

type of soda given to each group

amount of soda given to each group

age of participants in each group

According to the diagram, which question is being tested?

Does fertilizer make plants grow taller?

Do plants grow taller when watered with salt water?

How much fertilizer do plants need?

What is the best fertilizer to use?

Choose the accurate independent (I) and dependent (D) variables.

I - lawnmowers purchased D - number of lawns

I - number of lawns D - lawnmowers purchased

In order to make an inference, you must have:

Make observations with all senses

A good experiment will yield accurate results if it has:

Two separate responding variables.

Scientific Method

9th - 12th Grade

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30 Qs

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Scientific Method

Quiz

•

Biology

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-2, MS-PS2-2, MS-PS3-1

+21

Standards-aligned

Kenchelle Wells

Used 30+ times

FREE Resource

30 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A series of steps used by scientists to solve a problem or answer a question.

scientific method

recipe

data collection

metric system

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is NOT a step in the scientific method?

Make observation

Form a theory

Collect data

Form a hypothesis

Tags

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A testable explanation to a problem that has not yet been tested.

data

theory

hypothesis

fact

Tags

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

This variable in an experiment is the one being changed by the scientist.

dependent variable

independent variable

data

control group

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Testing a hypothesis often involves a(n):

answer

experiment

problem

safety check

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The summary at the end of an experiment that explains the results.

conclusion

procedures

materials

responding variable

Tags

CCSS.RI.11-12.3

CCSS.RI.11-12.5

CCSS.RI.8.5

CCSS.RI.9-10.3

CCSS.RI.9-10.5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

The type of plant

The amount of sunlight

The type of music

The type of liquid

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Scientific Method

30 questions

A series of steps used by scientists to solve a problem or answer a question.

Which is NOT a step in the scientific method?

A testable explanation to a problem that has not yet been tested.

This variable in an experiment is the one being changed by the scientist.

Testing a hypothesis often involves a(n):

The summary at the end of an experiment that explains the results.

Dependent variable means

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted.

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