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 _____.

Height from which the ball is dropped

What is a hypothesis?

A hypothesis is an educated guess.

A hypothesis is the right answer to an experiment.

A hypothesis is the wrong answer to an experiment.

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

Why do we want to test only one independent variable at a time?

To better identify what is causing the changes

Because it is hard to setup a data table with more than one variable

It is what has always been done

It's easier to perform the experiment

Which of the following is an observation of the picture?

The person is wearing a T-shirt

The person is going to a birthday party

What is an inference?

A statement based off of your observations.

Which of the following is an observation about this picture?

The boy has injuries to his knees

The boy has fallen off his bike.

The boy learned his lesson about wheelies

If you increase the amount of spinach you eat, then you will increase the iron in your blood. What's the dependent variable?

increase the amount of iron in your blood

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.

Tails will hold more drops of water.

If I read this question carefully, then I will answer it correctly. What is the independent variable?

Reading or not reading carefully

Why would you wear goggles in the lab?

for protection from chemicals, heat, or glassware

If you do not understand a direction or part of a lab procedure, you should

ask the instructor before proceeding

figure it out as you do the lab

try several methods until something works

skip it and go on to the next part

After completing an experiment, all chemical wastes should be

disposed of according to your instructor's directions

left at your lab station for the next class

When gathering glassware and equipment for an experiment, you should

examine all glassware to check for chips and cracks

carry as much as you can at one time

stack the glassware to carry it

Which of the following is an observation of the picture?

The person is wearing a T-shirt

The person is going to a birthday party

Which of the following is NOT an inference about the man in this picture:

The man hates his purple shirt.

This man is upset because he's hungry

Why do scientists use the scientific method?

To make sure their results are valid and can be performed by other scientists.

To make sure they get credit for their discoveries.

So that other scientist don't get mad at them

Science LSA

Authored by Charles Martinez

Science

6th - 8th Grade

NGSS covered

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55 questions

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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

data

theory

hypothesis

fact

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

dependent variable

independent variable

data

control group

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Should experiments be repeated over and over to see if the results are the same each time?

yes

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

conclusion

procedures

materials

responding variable

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

scientific method

recipe

data collection

metric system

In a controlled experiment, how many independent variables can be worked with at a time?

one

none

two or more

how ever many makes sense.

A list of the steps anyone could follow to conduct an experiment.

obervations

question/problem

materials

procedures

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Science LSA

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

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

Should experiments be repeated over and over to see if the results are the same each time?

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

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

In a controlled experiment, how many independent variables can be worked with at a time?

A list of the steps anyone could follow to conduct an experiment.

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

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

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 _____.

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