Question

What is the tendency of marble balls in 2and experiment​

Answer 1

Time; About twenty to thirty minutes

Objective: To help students understand the concepts of momentum and inertia by doing a hands-on experiment that gives them a visual way to understand the concepts.

Materials:

- Yardsticks or meter sticks

- Marbles or some other type of small balls that roll easily

- Tape

- A flat surface

Directions:

1. Tape two meter sticks to the flat surface leaving about a half of an inch between them.

2. Place two balls in between the sticks several inches apart

3. Roll one ball towards the other and record the results

4. Try different experiments rolling different number of balls towards another group of balls.

5. Record all your observations and see what conclusions can be made.

Wrap-Up:

- From your observations what do you know about inertia?

Would the results be different if the experiment was conducted in a vacuum?

Marbles and Momentum

Tape two meter sticks to the table about half an inch apart.

Put two balls in between the two sticks a few inches apart. Roll one of the balls towards the other. What happens when the moving marble hits the marble that is at rest?

Try having two balls touching and roll a third one towards it. What happens this time?

Now put three balls touching, and roll two balls towards the three resting ones.

What is the effect this time?

Making Waves

By Ryan Apolinario

This activity can be done using a variety of things. A jump rope may be ideal, but using something like a telephone cord will make it easier to create the waves, making it easier to visualize the effect.

Children can work in pairs of two. One child will hold the cord still, while the other child

Will be attempting to create the waves. Depending on how in depth and detailed you are trying to be, you can make numerous activities with the waves. The following exercise is recommended as a simple activity.

WAVE 1-

First, let’s try to recreate a wave with just half a wavelength. Were you able to do it?

WAVE 2-

Now let’s try to make a wave with one wavelength. Make sure you can see and distinguish that you made one wavelength. It’s different to see the wave on paper than in real life. How much more effort did you need to need to put into making this wave in comparison to the first? (Answer: It takes twice the effort)

WAVE 3-

Now let’s create a wave with one and a half wavelengths.

Finally, try to create as many wavelengths that you possibly can. How many wavelengths was your group able to make? What are some observations you were able to make during this activity?

Answer 2

Explanation:

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