Mid Year Science Practice

Fourth grade students are conducting experiments for their science class. Each student has chosen a different topic and method. Which student is least likely to follow the scientific method in their experiment?

• Emily tests the effect of different soil types on plant growth by measuring plant height over time.

• Lucas creates a timeline of the evolution of smartphones using images and information from the internet.

• Ava investigates the relationship between water temperature and sugar solubility by dissolving sugar in water at various temperatures.

• Michael examines how the angle of a ramp affects the speed of a toy car by measuring the time it takes to reach the bottom.

Tags

NGSS.MS-LS1-5

What is the purpose of documenting scientific observations?

• To make the notes colorful

• To mislead other researchers

• To enhance the appearance of the report

• To provide evidence of the findings

Tags

NGSS.HS-LS4-1

NGSS.HS-PS1-2

Once you have collected all the necessary data, what is the next step in your investigation?

• Discard it

• Discuss it with everyone without verification

• Analyze and interpret the data to form conclusions

• Alter the data to fit your hypothesis

Tags

NGSS.MS-PS2-5

NGSS.MS-PS3-4

A student observed that a feather and a stone fall at different rates. He wondered if the shape of an object affects its falling speed. What is the best scientific way to determine if shape influences falling speed?

• Consult a scientist.

• Conduct an experiment.

• Search for videos online.

• Read articles about gravity.

When Aria observes a new occurrence in her science project, what is most important for her explanation?

• It sounds exciting.

• It is based on evidence.

• It is popular among friends.

• It is based on the best guess.

Tags

NGSS.MS-LS2-4

What should groups do if they notice differences in their data?

• Dismiss the differences.

• Change their data to match.

• Blame the equipment of being faulty.

• Meet and discuss to understand the cause of the differences.

Tags

NGSS.MS-PS2-5

When scientists discuss their findings and evidence, what are they trying to do?

• Create more work to do

• Ignore each other's work

• Prove they are the smartest

• Understand each other's work

Tags

NGSS.MS-LS4-2

In an experiment to test the effectiveness of different materials as insulators, Group D found that wool was not effective, unlike the other groups. What is the most likely reason for Group D's different conclusion?

• Group D had better students.

• Group D did not read the thermometer correctly.

• Group D had more students participating in the experiment.

• Group D was the only group that wrote down the procedure.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

Ava and Brooklyn's experiment results are inconsistent with the rest of the class. What is a reasonable next step for them?

• use a different method to analyze their data

• conduct the experiment again to verify their findings

• ask their classmates to change their results

• ignore their results and move on

Tags

NGSS.MS-ETS1-3

Which of the following is true about stars?

• All stars are the same size.

• All stars are the same brightness.

• Stars can be different sizes and brightness.

• All stars are larger than the sun.