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What Simple Experiments Can Demonstrate the Principles of Energy Conservation in a Lab Setting?
Pendulum Experiment
First, we will look at a pendulum.
We need to check how high it swings and how fast it goes at different points.
We will use the idea of energy that says: the energy we have at the top (potential energy) is equal to the energy we have when it’s moving at the bottom (kinetic energy).
When the pendulum is at its highest point, it has the most potential energy.
When it reaches the lowest point, it has the most kinetic energy.
Elastic Collision with Carts
Next, let’s try a fun activity with two carts.
We will measure how fast they are moving before and after they bump into each other.
We want to make sure the total energy stays the same before the collision and after.
This means: the energy we start with equals the energy we end with.
Ramp and Rolling Objects
Now, we will roll different objects down a ramp.
We will measure how high the ramp is and how fast the objects go.
This will help us see that the energy we have from being at a height (potential energy) changes to energy from moving (kinetic energy).
We can prove that the energy at the top of the ramp is equal to the energy when the object is rolling down.
What Simple Experiments Can Demonstrate the Principles of Energy Conservation in a Lab Setting?
Pendulum Experiment
First, we will look at a pendulum.
We need to check how high it swings and how fast it goes at different points.
We will use the idea of energy that says: the energy we have at the top (potential energy) is equal to the energy we have when it’s moving at the bottom (kinetic energy).
When the pendulum is at its highest point, it has the most potential energy.
When it reaches the lowest point, it has the most kinetic energy.
Elastic Collision with Carts
Next, let’s try a fun activity with two carts.
We will measure how fast they are moving before and after they bump into each other.
We want to make sure the total energy stays the same before the collision and after.
This means: the energy we start with equals the energy we end with.
Ramp and Rolling Objects
Now, we will roll different objects down a ramp.
We will measure how high the ramp is and how fast the objects go.
This will help us see that the energy we have from being at a height (potential energy) changes to energy from moving (kinetic energy).
We can prove that the energy at the top of the ramp is equal to the energy when the object is rolling down.