Which statement is a well written HYPOTHESIS?

If Miracle Grow fertilizer is used on the lawn, then the grass will grow faster.

It is possible to teach an old dog new tricks.

Will fertilizer make my grass grow more?

Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?

how much gas is put into the car

What is an inference?

A statement based off of your observations.

Which statement is an inference about this picture?

An ambulance may be on the way.

Maggie loves fresh brownies. Her grandma told her if she placed a piece of bread in the storage container with the brownies, the brownies will stay fresh and moist longer. Maggie decides to test this idea. She bakes a batch of brownies. She places 6 brownies in 6 individual plastic containers. Each brownie is the same size and placed in the same location. She adds a piece of bread to three of the bread containers and leaves the other three alone. Each day for 3 weeks she measures the moistness of the brownies and records the results. What are the constants?

The size and location of the brownies

Read the scenario in the image. What is a testable question that Haley could be asking?

Do radishes grown under bright light grow larger than radishes grown under dim light?

Do radishes grow better leave with the most light they are exposed to?

Do radishes grown under dim light grow larger than radishes grown under dimmer light?

Do radishes grow better under greenhouse light than normal sunlight?

Read the scenario in the image. What is a testable question that Lila could be asking?

Does linen fabric turn darker than cotton fabric when soaked in a mixture of black dye and water?

What brand of fabric dye is the best?

Does fabric turn darker when soaked for 30 minutes or 15 minutes?

Does dye turn darker the longer it is mixed?

When more than one variable in an experiment is changed at a time, the scientist....

cannot tell which change produced the results.

cannot accurately measure both variables at the same time.

needs to conduct more trials in order to get conclusive results.

made a systematic error that needs to be corrected.

You have decided to do an experiment to learn if a certain type of cactus will grow better in a dark closet or a sunny window. To begin your experiment, you place one cactus in a dark closet and one cactus in a sunny window. Over the next month, you record data about the cacti and their appearance every day. At the end of the month, you determine that the cactus in the sun is alive but didn’t grow and that the cactus from the dark closet is alive and grew one centimeter. Can you conclude that a dark closet is better for this type of cacti’s growth?

No, you need to repeat an experiment multiple times before accepting a conclusion.

Yes, one cactus can accurately reflect the behavior of all similar cacti.

Yes, when you are a student your results will be accepted on small-scale studies.

No, you need to use one cactus in both conditions.

Look at the image of Corey's Science Experiment. What is wrong with the steps of Corey's science experiment?

He didn't measure the weight of the log before it was burned.

The log was going to completely burn; therefore, there wouldn't be any ashes left to measure.

He didn't set a time limit on how long he was going to let the log burn.

He didn't have a partner there in order to verify the results.

What makes a good scientific question?

The question can be answered by doing an experiment.

The question can be answered by yes or no.

The question can be answered through extended thought.

a logical prediction to a "testable question

a factor that changes the outcome of an experiment

Which is an example of qualitative data?

the blades of grass that grew were sharp

the blades of grass grew a 0.5 inch on day 1

the blades of grass grew 1 inch on day 2

the blades of grass grew 2 inches on day 3

Scientific Method Review

Authored by Brandy Giles

Science

9th Grade

NGSS covered

Used 3+ times

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30 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

dependent variable

independent variable

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

quantitative

qualitative

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mia sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the INDEPENDENT VARIABLE:

distance traveled by the ball

mass of the ball

If I study for my scientific methods quiz, then I will have a better test score. What is the DEPENDENT VARIABLE?

Test score

Studying

Independent variable

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a hypothesis?

A hypothesis is the right answer to an experiment.

A hypothesis is the wrong answer to an experiment.

A hypothesis is what you think will happen.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What step does every scientific experiment begin with?

hypothesis

question/problem

procedures

conclusion

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following would be considered QUANTITATIVE data?

Color

Smell

6.84 cm

texture

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Scientific Method Review

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

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

Mia sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the INDEPENDENT VARIABLE:

If I study for my scientific methods quiz, then I will have a better test score. What is the DEPENDENT VARIABLE?

What is a hypothesis?

What step does every scientific experiment begin with?

Which of the following would be considered QUANTITATIVE data?

Which statement is a well written HYPOTHESIS?

Landon wants to determine the effect of fertilizer on the growth of grass. The growth of the grass is the _________.

The parts of the experiment that must be kept the same.

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