S7CS9

Students will investigate the features of the process of scientific inquiry.

SCIENTIFIC METHODSCIENTIFIC METHOD

Problem & PurposeProblem & PurposeResearchResearch

HypothesisHypothesisExperimentExperiment

Results w/ AnalysisResults w/ AnalysisConclusionConclusion

REFLECTREFLECTYESTERDAY, TODAY, & YESTERDAY, TODAY, &

TOMORROWTOMORROW

What will I do What will I do

differently or better todifferently or better to

exceed the standard ?exceed the standard ?

A hypothesis is :A hypothesis is :

A – a possible answer to a question

B – an experiment

C – a type of question

D – a fact

A – a possible answer to a question

To determine how the To determine how the amount of salt in water amount of salt in water

affects the number of plants affects the number of plants = dependent variable is …= dependent variable is …

A – the amount of salt.

B – the temp of the water.

C – the depth of the water.

D – the number of plants.D – the number of plants.

The factors that can change The factors that can change in an experiment are called :in an experiment are called :

A – variables

B – inferences

C – hypotheses

D – scientific theories

A – variables

Which of the following Which of the following differs between groups in a differs between groups in a

controlled experiment?controlled experiment?

A – a test

B – a prediction

C – a hypothesis

D – a variableD – a variable

A scientist who wants to A scientist who wants to study the possible side study the possible side

effects of a new medicine effects of a new medicine would …would …

A – give the same dose of med.

B – ask the subjects.

C – include a control group.

D – use different subjects.

C – include a control group.

Measurements of the Measurements of the heights of various plants in heights of various plants in an experiment are called …an experiment are called …

A – inferences.

B – inquiries.

C – data.

D – theories.

C – data.

Which of the following is Which of the following is NOT an SI unit?NOT an SI unit?

A – meter

B – foot

C – kilogram

D – liter

B – foot

The temp at which an The temp at which an alligator’s egg is incubated alligator’s egg is incubated will determine the gender = will determine the gender =

temp would be called …temp would be called …

A – the dependent variable.

B – the independent variable.

C – the constant variable.

D – the conclusion.

B – the independent variable.

What is the most important What is the most important skill in any experiment?skill in any experiment?

A – using safe lab practices

B – making measurements

C – communicating ideas

D – making observations

A – using safe lab practices

Which is a step of the Which is a step of the scientific methods?scientific methods?

A – stating a theory

B – asking questions

C – using technology

D – building a microscope

B – asking questions

Which safety item should Which safety item should you wear to protect your you wear to protect your

eyes before you begin using eyes before you begin using any lab equipment?any lab equipment?

A – an apron

B – closed toe shoes

C – heat resistant gloves

D – safety gogglesD – safety goggles

Which step of planning Which step of planning scientific investigations scientific investigations involves predicting the involves predicting the

results?results?

A – organizing data

B – formulating explanations

C – constructing hypotheses

D – gathering evidence

C – constructing hypotheses

Which unit of measure is Which unit of measure is MOST appropriate for MOST appropriate for

measuring the length of a measuring the length of a river?river?

A – kilometer

B – meter

C – centimeter

D – millimeter

A – kilometer

What is the final step in the What is the final step in the scientific method?scientific method?

A – do an experiment

B – draw a conclusion

C – collect data

D – conduct research

B – draw a conclusion

What should Cesar do FIRST What should Cesar do FIRST in his investigation?in his investigation?

A – fill out a data table

B – sketch the plants

C – draw a conclusion

D – make a hypothesisD – make a hypothesis

Making measurements with Making measurements with tools such as thermometers tools such as thermometers

is a kind of …is a kind of …

A – observation.

B – conclusion.

C – prediction.

D – hypothesis.

A – observation.

What beneficial result might What beneficial result might happen if a scientist happen if a scientist

discovers her hypothesis is discovers her hypothesis is incorrect?incorrect?

A – She might give up.

B – Might lead to another hypo.

C – Scientists repeat her work.

D – Keep her results secret.

B – Might lead to another hypo.

In a controlled experiment,In a controlled experiment,

A – a variable is not needed.

B – a control group is compared.

C – there are two variables.

D – all factors should be different

B – a control group is compared.

SI units are …SI units are …

A – used only in France.

B – based on the number 10.

C – based on body parts.

D – used only to measure length.

B – based on the number 10.

When you decide whether or When you decide whether or not the data supports the not the data supports the

hypothesis, you are …hypothesis, you are …

A – making an observation.

B – stating a question.

C – making an inference.

D – drawing a conclusion.D – drawing a conclusion.

Grams are the most useful Grams are the most useful unit of measurement in unit of measurement in

determining the mass of a …determining the mass of a …

A – truck.

B – medium-sized apple.

C – grain of rice.

D – hippopotamus

B – medium-sized apple.

EXPLAIN THE HOW AND WHY OF WHAT YOU LEARNED

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your learning?

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