The dependent variable is also known as the _______ variable.

Which variable do we change in an experiment in order to test it?

What is the magic number in science?

How many independent variables can we have in an experiment and still consider it a fair test?

How much data needs to be referenced in a conclusion to be valid.

In order to have a valid conclusion you must be able to answer yes to which 3 questions? *mark all that apply

Before calculating the best value or uncertainty you have to identify and remove any:

Which variable do we measure as the result of an experiment?

We are setting up an experiment to test if the weight of the bob on a pendulum impacts the amount of time it takes for 10 swings back and forth. The bob weights being tested are 20g, 35g, 50g, 65g, and 80g. How many values are represented for the independent variable?

In an experiment testing the impact of pendulum length on the amount of time it takes for 10 swings back and forth, which of the following things would need to remain constant? *mark all that apply

You have set up an experiment to test whether the size of the magnet has an affect on its strength. Each group has 3 magnets (small, medium, and large). All of the groups have ceramic magnets, while one group has neodymium magnets. Is this a fair test?

You have completed an experiment with the rest of your class in which you were testing whether the material of a magnet had an impact on its strength. In your conclusion you state that the material a magnet is made of does have an impact on its strength because you recorded this in your own personal data. Is this a valid conclusion?

What is the best way to disagree with someone during a discussion?

For the new study, the researchers adapted the classic experiment to teleport a three-level state, which they call a “qutrit.” The quantum state in this case is which of three optical fibers a photon is traveling through – remembering of course, that quantum physics allows a single photon to be in any or all three of the fibers at once.

The team used a multiport beam splitter to direct the photons, and then manipulated their states using auxiliary photons. By carefully controlling the interference patterns of these photons, the team was able to successfully teleport that quantum information to another photon, even though the two photons never interacted physically.

This experiment shows that quantum teleportation can not only be done in three dimensions, but theoretically it can be done in any number of dimensions. What is your favorite food?