Mrs. Vandenbos' Scientific Method Review 7th Grade

Mrs. Vandenbos' Scientific Method Review

Multiple Choice

Moral principles guide a scientist's decisions of what is right and wrong.

• bias

• ethics

• theory

• laws

Multiple Choice

A scientist's personal beliefs and past experiences can influence data or the manner in which an experiment is conducted.

• ethics

• bias

• theory

• laws

Multiple Choice

A hypothesis that is tested and accepted by the scientific community may become 

• a theory

• a law

• an ethics

• a bias

Multiple Choice

Where do you graph the Dependent Variable?

• X axis

• Y axis

Multiple Choice

Where do you graph the Independent Variable?

• X axis

• Y axis

Multiple Choice

What is the Independent Variable?

• Amount of Protein Digested

• Temperature

Multiple Choice

What is the Dependent Variable?

• Group A

• Days

• Group B

• Average Plant Height

Multiple Choice

What is the independent variable?

• The Number of Reproducing E. Coli Bacteria Over Ten hours...

• Number of E. Coli Bacteria

• Hours

• there is none

Multiple Choice

When writing a hypothesis, ___.

• always write it as a question

• write it after the experiment is done

• only include the dependent variable in the question

• write it as an if...then statement

Multiple Choice

What is the IV?

• Hours of Sunlight Exposure

• Number of Tomatoes on Each plant

Multiple Choice

Data tables should contain

• a title, independent variable, dependent variable and units of measurement if used

• a title, independent variable, dependent variable and the hypothesis

• a title, independent variable, dependent variable and the observation

• an observation, problem and hypothesis

Multiple Choice

What is the dependent variable?

• Favorite Cereal

• Number of Votes

• Type of cereal

• Life cereal

Multiple Choice

What is the IV?

• Soccer

• Number of Students

• Sports

• Our Favorite Sports

Multiple Choice

A judgment based on the results of an experiment.

• Constant

• Hypothesis

• Control

• Conclusion

Multiple Choice

The act of noticing something happening around you

• Observation

• Conclusion

• Constant

• Control

Multiple Choice

What is a hypothesis based on?

• The results of your experiment.

• The information you already know.

• The data from your data table.

• Graphs and Charts.

Multiple Choice

This group is left as the "normal" group so results can be compared to it.

• Constant

• Control

• Hypothesis

• Independent

Multiple Choice

When you keep same conditions for each experimental group.

• Control

• Hypothesis

• Constant

• Independent Variable

Multiple Choice

The main reason that charts are used by scientists is to-

• organize data

• verify the conclusion

• make graphs

• create an experiment

Multiple Choice

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

• conclusion

• procedures

• materials

• responding variable

Multiple Choice

Which of the following is a testable hypothesis?

• Roses are more beautiful than violets

• A plant needs at least five hours of sunlight per day to grow

• Ice cream is delicious

• Humans will someday land on Mars

Multiple Choice

What must you do before you make a hypothesis?

• Run an experiment

• Make observations

• Form a theory

• Draw conclusions

Multiple Choice

In an experiment Sue has 5 potted plants that are watered with the same amount of water each day for 5 days. All 5 plants have different amounts of sunlight exposure during the day. Water in this experiment is

• the Constant

• the Dependent variable

• the Independent variable

• the Control group

Multiple Choice

Qualitative data includes:

• an amount

• measurement

• a number

• a written description like a color

Multiple Choice

Parts of the experiment that need to stay the SAME in each experiment group are called:

• Dependent Variable

• Independent Variable

• Control Group

• Constants

Multiple Choice

If plants are exposed to sunlight, then they will grow taller.

What part of the scientific method is this an example of?

• Procedure

• Hypothesis

• Question

• Results

Multiple Choice

In a controlled experiment, how many variables can be intentionally changed?

• one

• none

• two or more

• how ever many makes sense.

Multiple Choice

Observations made during an experiment are called:

• data

• hypothesis

• conclusions

• questions

Multiple Choice

Which is NOT a step in the scientific method?

• Make observation

• Form a theory

• Collect data

• Form a hypothesis

Multiple Choice

A good experiment will produce accurate results if it has:

• A really strong hypothesis

• Only one independent variable

• 1 or 2 trials maximum

• Two separate dependent variables.

Multiple Choice

Experiments include many trials, since:

• It's fun

• Scientists like to stay busy

• More trials ensure the hypothesis is ALWAYS correct

• More trials increase accuracy of results

Multiple Choice

In a hypothesis written in the "If, then" format, which variable comes first?

• Independent

• Dependent

Multiple Choice

Which of the following is NOT a characteristics of a hypothesis?

• Must be made with background knowledge

• Must be testable

• Must organizes the IV and DV

• Must always be correct

Multiple Choice

Which is an example of Quantitative Data?

• 42 grams

• Hard

• Squishy

• Blue

Multiple Choice

Which one is an example of Qualitative Data?

• 25 Pounds

• 30 Seconds

• 2 Meters

• Soft

Multiple Choice

Dependent variable means

• the scientist controls what to test

• educated guess

• ask a question

• what is being measured

Multiple Choice

Observations made during an experiment are called:

• data

• problems

• conclusions

• questions

Multiple Choice

What step does every scientific experiment begin with?

• hypothesis

• question/problem

• procedures

• conclusion

Multiple Choice

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

• dependent variable

• independent variable

• data

• control group

Multiple Choice

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

• experimental group

• control group

• data

• variables

Multiple Choice

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

• data

• theory

• hypothesis

• fact

Multiple Choice

When scientists follow the steps of an experiment procedure, they're doing it in order to:

• Test the hypothesis

• Determine the problem they need to solve

• Establish a control group

• Waste time

Multiple Choice

Which side of a penny will hold more drops of water? Choose the best hypothesis.

• If I use the heads side of a penny, then it will hold more drops of water than tails.

• Heads

• Tails

• Tails will hold more drops of water.

Multiple Choice

Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.

• If I make a paper airplane from notebook paper, then it will fly faster than construction paper.

• Yes.

• No.

• I think the construction paper air plane will fly faster.

Multiple Choice

Students measured the amount of pollution produced by cars using gasoline containing different amounts of lead. What is the independent variable?

• amount of gasoline used by each car

• amount of lead in the gasoline

• amount of pollution produced by each car

• the number of cars

Multiple Choice

Which of these contains steps in the right order?

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

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

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

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

Multiple Choice

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball

• Force acting on the ball

• Height that the ball bounces

• Height from which the ball is dropped

Multiple Choice

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is

• the size of the baby alligators

• the gender of the baby alligators

• the incubator

• the temperature

Multiple Choice

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

• the male alligators

• the incubator

• the gender of the alligator

• the temperature

Multiple Choice

Mrs. Lewis sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the dependent variable.

• height of the ramp

• distance traveled by the ball

• mass of the ball

• weight of the ball

Multiple Choice

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. What variables should be kept constant/controlled?

• type of plant, flower pot, soil, and amount of sunlight

• water, apple juice, milk

• only the amount of sunlight

• type of plant only

Multiple Choice

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