Ski Wax and Performance Factors

Ski Wax and Performance Factors

Assessment

Interactive Video

Physics, Science

7th - 12th Grade

Hard

Created by

Lucas Foster

FREE Resource

The video discusses the significance of ski wax in alpine skiing at the Winter Olympics. It explains how ski wax reduces friction between skis and snow, enhancing speed. The choice of wax depends on various factors like temperature, humidity, and snow wetness. Different wax formulations, such as those with fluorocarbons and hydrocarbons, are used for wet and dry snow conditions. The video concludes with a note on the importance of understanding wax physics and a promotion for SciShow's Patreon.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of a tiny advantage in alpine skiing races?

It can lead to a more comfortable race.

It can result in a significant time difference.

It can be the difference between winning and losing.

It can help in better visibility during the race.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does ski wax help skiers during a race?

By increasing the weight of the skis.

By reducing friction between the skis and the snow.

By providing a colorful design on the skis.

By making the skis more durable.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'wetness' refer to in the context of snow?

The color of the snow.

The amount of snow crystals in the air.

The ratio of snow crystals to liquid water in snow.

The temperature of the snow.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is a softer wax used in wet snow conditions?

It is cheaper to produce.

It provides better grip on the snow.

It repels water better due to more fluorocarbons.

It is easier to apply on skis.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of fluorocarbons in ski wax?

They make the wax smell pleasant.

They help repel water better.

They increase the weight of the wax.

They add color to the wax.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main challenge in selecting ski wax for a race?

Ensuring the wax is environmentally friendly.

Finding a wax that is easy to apply.

Selecting the right wax for the day's specific conditions.

Choosing a wax that matches the skier's outfit.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do skiers deal with dry snow conditions?

By using a wax with more water content.

By using a wax with more hydrocarbons.

By avoiding skiing on dry snow.

By using a softer wax.

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