FSSA Review Test #1

Scientists want to determine if how loud music is played affects a person's blood pressure. Which variable should change in the experiment?

• the type of music played

• the amount of time the person hears the music

• the volume of the music played

• the tools used to test the blood pressure

Charli observes the change from caterpillar to butterfly. She draws and labels each phase and shares her drawings with the class. Which statement BEST describes Charli's investigation?

• It involves modeling.

• It involves experimentation.

• It involves repeated observations.

• It involves both experimentation and repeated observation.

Tags

NGSS.3-LS1-1

Jerome uses cell phone Internet service from provider A. Lane uses Internet service from provider B. How can Jerome and Lane determine in a scientific way which internet company has faster download speeds?

• Read information from each Internet service provider.

• Use a timer to find out how long it takes to download the same game.

• Have each student download a different game and compare the time it took.

• Ask ten friends who use Internet service which one is faster.

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-2

Which is an opinion?

• The boiling point of water is 100 degrees Celsius.

• Blue is the best color for parrot fish.

• Bats use sonar to fly at night.

• The ball rolled 10.2 feet over four tries.

What can scientists use the data in the graph for?

• evidence

• opinion

• conclusion

• investigation

Tags

NGSS.MS-ESS2-5

What is NOT a possible observation of salmon swimming upstream to spawn?

• Salmon start their spawning season in the fall.

• Bears easily prey on salmon as they swim upriver.

• The average weight of a spawning salmon is 7.2 pounds.

• Most of the salmon seem to be of adult size.

Why do scientists publish the results of their investigation in science journals?

• They want to show other scientists what they are doing wrong.

• It is a requirement for being a scientist.

• They want others to support their opinions.

• They communicate and share their findings so that scientific knowledge grows.

Why is it important to use accurate measuring devices when doing an experiment?

• to make sure substances are pure

• to ensure that the procedures can be repeated accurately

• to make it more convenient

• to avoid spilling the sample

Tags

NGSS.MS-ETS1-3

NGSS.MS-PS1-2

NGSS.MS-PS3-4

In an experiment to determine how far an object will slide on different surfaces, what is the variable?

• size of the object

• type of surface

• force that the object is pushed

• length of the surface

Tags

NGSS.MS-PS2-2

What does this graph show?

• data

• control

• conclusion

• hypothesis

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1