30 Questions
What is the purpose of making marks behind the center of the swing?
To indicate the points of release for the swing
Why does the smallest person get to do the next experiment?
Because their weight will not affect the swing's motion
What is the purpose of having two people pull the swing back to the first mark?
To release the swing at a consistent starting point
What is being measured in this experiment?
The time it takes for the swing to make 5 complete swings
What is the role of the timer in the experiment?
To measure the time it takes for the swing to make 5 complete swings
What is the purpose of the pendulum model in the classroom?
To illustrate the concept of a pendulum's motion
What is the type of energy that is stored and can be used later?
Potential energy
What happens to the potential energy when you slide down the slide?
It is converted into kinetic energy
What is the energy of motion called?
Kinetic energy
What is the main concept demonstrated by the slide?
The Law of Conservation of Energy
What type of energy do you have when you climb up the stairs to the top of the slide?
Potential energy
Why does the kinetic energy on the slide not come from nothing?
Because it comes from the conversion of potential energy
What is the primary objective of the experiment involving riding the slide from the top and then from half-way down?
To compare the final speed in the two different scenarios
What is the role of the ball in the experiment?
To replicate the results of a person sliding
What is the purpose of not doing any extra pushing during the experiment?
To get a more accurate measurement of speed
What type of slide is required for the additional investigations?
A slide with a twisting curve on the way to the bottom
What is the initial step in the additional investigations?
Going to the top of the straight slide with a small ball
What is the purpose of the procedure involving the ball in the additional investigations?
To let the ball go down the slide
What is the purpose of recording the time for 5 complete swings?
To determine the effect of release point on the pendulum's period
What is the effect of 'pumping' on the period of the swing?
It has no effect on the period
Why do you need several sets of swings with different lengths of chain?
To perform the investigation on the effect of chain length on the period
What is the purpose of using a light-weight swinger and a 2 metre release point in Procedure 1?
To test the effect of release point on the period
What is being measured in the experiment?
The period of the pendulum swing
What is the purpose of repeating the experiment on each swing with a different length of chain?
To test the effect of chain length on the period
What is the main purpose of pumping a swing?
To raise the centre of mass and convert potential energy into kinetic energy
What happens to your centre of mass when you lift your legs forward and back while pumping a swing?
It rises
At what point do you feel lighter while pumping a swing?
When you're at the top of the swing
When do you typically pump a swing?
At the bottom of the swing
What is the relation between pumping a swing and a pendulum?
Both raise the centre of mass
What type of energy do you gain when you pump a swing?
Potential energy
Experiment with balls on straight and curved slides to understand forces and motion. Analyze the ball's movement and think about why it happens. Apply your understanding to your own slide experience.
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