SC.5.N.2.2

Janna has offered her canary, Sammy, a choice of sunflower seed or ground corn for two months. She has observed that Sammy eats more sunflower seeds than ground corn during the two months. She concludes Sammy prefers sunflower seeds over ground corn. What should Janna do if she wants to confirm her results?

• Repeat the experiment with her friend's bird.

• Repeat the experiment using different food containers.

• Repeat the experiment with the same exact conditions.

• Repeat the experiment with another feed instead of corn.

Tags

NGSS.MS-LS1-5

What is an Experiment ?

• Information about the natural world gathered through the senses and/or scientific instruments.

• A scientific test or procedure that is carried out under controlled conditions to answer a scientific question.

• Measurements or observations collected and recorded in an experiment or investigation.

• A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.

A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.

• Control group

• Variable group

• hypothesis group

• I am Groot

Information about the natural world gathered through the senses and/or scientific instruments.

• Data

• Observation

• Results

• Analyzing

Tags

NGSS.MS-LS1-8

Jonathan and Sarah have performed an experiment and are not sure their results are valid.
What should they do to check their results?

• average their data

• change their lab report

• perform a new experiment

• repeat the same experiment

The students in Miss Smith's class were using catapults to launch small and large marshmallows across the room. The table shows the distances in centimeters (cm) that the marshmallows traveled.
 of the following statements best describes the students' data?

• Small marshmallows travel an average of 9 centimeters

• Large marshmallows travel an average of more than 20 centimeters

• On average, small marshmallows travel farther than large marshmallows.

• A.  On average, large marshmallows go higher in the air than small marshmallows

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Measurements or observations collected and recorded in an experiment or investigation.

• Data

• Notes

• Answers

• Hash tags

Tags

NGSS.MS-ESS2-5

An explanation based on evidence that is not directly observed.

• Inference

• Hypothesis

• Interaction

• Educated guess

Tags

NGSS.MS-LS4-4

Jane is investigating to find out if bean plants grow taller in ordinary topsoil or special potting soil over a three week period. She sets up her investigation with 10 bean plants of equal size in each type of soil. 
What should Jane do each day to make sure she gets valid results?

•   Water only the plants in special potting soil.

•   Calculate the average plant height for each soil type.

•   Move the plants in ordinary topsoil to different locations.

• Estimate the height of each plant's stem and record the estimate 

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Thomas and Julie wanted to find out which material would insulate their teacher's coffee cup and keep the coffee hot for the longest period of time. They first wrapped her cup with bubble wrap and recorded the temperature of the coffee once every 15 minutes for 2 hours. They repeated the investigation, this time using newspaper instead of bubble wrap, but they got the same results for both materials. What could they do to make sure their results are valid?

• Repeat their experiment.

• Use teas instead of coffee.

• Use a different thermometer.

• Conduct their investigation in a colder room.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4