Pendulums

You are observing a swing in a park. What would you call the swing's back and forth motion that keeps repeating itself?

• variable

• cycle

• pendulum

• circle

What is the name for something that you can change in an experiment that might affect the outcome?

• graph

• pendulum

• swings

• variable

Tags

NGSS.MS-PS3-4

When a scientist is conducting an experiment, what name would they give to an experiment, before making any changes to the variables?

• The standard experiment

• Special experiment

• The controlled experiment

You are in a science museum and you see an object hanging from a fixed point, swinging back and forth. What is this object called?

• pencil

• x axis

• pendulum

• variable

Tags

NGSS.MS-PS2-4

Which is NOT an example of a pendulum?

• wrecking ball

• Newton's Cradle

• the clapper inside a bell

• diving board

What was the standard swing time for our 38 cm pendulum?

• 5 seconds

• 15 seconds

• 30 seconds

• 1 minute

While conducting a series of experiments with a pendulum, we varied several factors. Which of the following was NOT one of the factors we tested?

• length of the pendulum's string

• width of the pendulum's string

• initial position of the pendulum

• mass or number of pennies attached to the pendulum

In a physics experiment, a pendulum was set up with different starting positions, lengths of string, and weights. Which factor DID affect the outcome of the experiment?

• The height from which the pendulum was released

• The length of the string used for the pendulum

• The weight of the pendulum bob

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-2

Imagine you are at a park and you see two swings. One has long chains and the other has short chains. If you compare the two, you would notice that the shorter the chains, the _____________ the number of swings.

• greater

• less

In a scientific experiment, how many factors are typically altered when testing the effect of a single variable?

• 1

• 2

• 3

• doesn't matter how many

Tags

NGSS.MS-PS2-2