Scientific Investigation and Experiment

Juan wanted to see if different tires would make his model car go faster.  Juan correctly set up an experiment to test 4 different brands of tires on his model car.  He recorded his data in the data table.
How many times did Juan conduct the experiment using Brand C tires?

• One
• Two
• Three
• Four

The mass of the rock was taken on a triple beam balance and the measurement is shown.   What is the mass of the rock?

• 430.6 g
• 436.0 g
• 436.8 g
• 437.0 g

The diagram shows a graduated cylinder containing water.  From which position will the most accurate measure of the volume of water be made?

• Position 1
• Position 2
• Position 3
• Position 4

A student conducted an experiment on the dissolving rates of sugar in four different temperatures of water.  What is missing from the figure?

• Units of measurement for the water temperature.
• Units of measurement for the dissolving rates
• Units of measurement for the amount of sugar
• Units of measurement for the amount of water

A student conducted an experiment about the movement of a marble through four different liquid substances. Looking at the figure designed by the student, what is an error in his experiment?

• The amount of liquid substances used is not consistent.
• The type of liquid substances are not labeled correctly.
• The type of marble used is not consistent.
• The marbles are not dropped from the same distance.

Tags

NGSS.MS-PS1-2

For scientific data to be considered accurate and reliable, most science experiments should be

• Conducted as many times as possible
• Conducted 3 times
• Conducted only 1 time
• Repeated no more than 2 times

What is the best title of this figure?

• The Scientific Method
• The Technology Process
• The Scientific Arrangement
• The Technology Method

What equipment would a scientist most likely use to measure the volume of a liquid?

• Graduated cylinder
• Triple beam balance
•   Ruler
• Electron microscope

A scientist was asked to present his research at a national conference.  What step in the scientific method is the scientist performing at the conference?

• He is communicating his results.
• He is collecting data.
• He is drawing conclusions.
• He is testing his hypothesis.

The dependent variable in this experiment is - 

• Number of Bacteria
• Time of Incubation
• Culture Number
• Type of Bacteria

Tags

NGSS.MS-LS2-1