Hold Fire In The Palm Of Your Hand! | Science with Hazel

Science with Hazel

13 May 202102:10

Summary

TLDRIn this engaging science video, Liam and Emilia demonstrate how to make methane bubbles using water, fairy liquid, and a gas tap. Emilia explains the process, wetting her hands to create a barrier, then scooping the methane. The video humorously highlights the methane's lighter-than-air property and safety measures. It also educates on the complete combustion reaction, essential for IGCSE, showing methane reacting with oxygen to produce carbon dioxide and water.

Takeaways

🧪 Today's experiment involves making methane bubbles.
💧 The container has water mixed with a large amount of fairy liquid (washing up liquid).
🔬 The gas tap is used to pump methane into the mixture.
👐 Wet hands with water and washing up liquid before attempting to scoop up the bubbles.
💍 Remove all jewelry from hands to avoid any risk during the experiment.
🌀 Scooping up the bubbles is done carefully to prevent any mishap.
⏫ The methane bubbles rise due to being lighter than air.
🔥 The complete combustion of methane produces water and CO2, a reaction to remember for IGCSE.
🔬 The water in the mixture also serves as a protective layer against the heat from combustion.
🎓 The experiment highlights the importance of understanding chemical reactions and safety measures in a scientific setting.

Q & A

What is the main experiment being conducted in the video?
-The main experiment in the video is making methane bubbles using water, fairy liquid (washing up liquid), and a gas tap to pump methane.
Why does Liam wet his hands with water and washing up liquid before the experiment?
-Liam wets his hands with water and washing up liquid to create a film that will hold the methane, allowing him to scoop up the bubbles.
Why does Liam remove all the jewelry from his hands before the experiment?
-Liam removes jewelry to prevent any potential hazards or reactions with the chemicals used in the experiment.
What is the purpose of using a meter roll with a splint on the end?
-The meter roll with a splint is used to ignite the methane bubbles, demonstrating their flammability.
Why does the methane bubble rise up from Liam's hands?
-The methane bubble rises because methane is lighter than air, causing it to float upwards.
What is the significance of the water protecting Liam during the experiment?
-The water acts as a protective layer, shielding Liam from the direct contact with the methane, which could be hazardous if ignited.
What is the complete combustion reaction that Emilia mentions in the script?
-The complete combustion reaction refers to the process where methane reacts with oxygen to produce carbon dioxide and water.
Why is the complete combustion reaction important for the IGCSE curriculum?
-The complete combustion reaction is important for the IGCSE curriculum as it is a fundamental concept in chemistry, illustrating the principles of combustion and chemical reactions.
What is the role of the fairy liquid in the experiment?
-The fairy liquid acts as a surfactant, helping to reduce the surface tension of the water and allowing the methane bubbles to form more easily.
What is the significance of the laughter in the script?
-The laughter signifies the excitement and enjoyment of the participants during the experiment, indicating that it is a fun and engaging science activity.
What is the safety precaution taken when handling the methane bubbles?
-The safety precaution includes wetting hands with water and washing up liquid, removing jewelry, and using a meter roll with a splint to ignite the bubbles safely.

Outlines

00:00

🔬 Making Methane Bubbles Experiment

In this science video, Liam demonstrates an experiment involving the creation of methane bubbles using water and fairy liquid (washing up liquid). He uses a gas tap to introduce methane into the mixture. The process begins with wetting hands with water and washing up liquid, removing jewelry, and then scooping up the mixture. The methane, being lighter than air, causes the mixture to rise from the hands. The video also touches on the safety aspect, mentioning that the water protects from burns. The complete combustion reaction of methane producing carbon dioxide and water is highlighted, which is an important concept for IGCSE studies.

Mindmap

Keywords

💡Fairy Liquid

Fairy Liquid is a brand of dishwashing liquid known for its cleaning properties. In the context of the video, it is used to create a solution that helps in the formation of bubbles. The script mentions 'water with a whole load of fairy liquid' to indicate the mixture used for the bubble-making experiment.

💡Methane

Methane is a colorless, odorless, flammable gas and a major component of natural gas. In the video, methane is pumped into the bubble solution through a gas tap, which is a key component in the experiment as it provides the gas that fills the bubbles.

💡Wetting the hands

Wetting the hands with water and washing up liquid is a preparatory step mentioned in the script. This is done to ensure that the hands are slippery and less likely to pop the bubbles, allowing them to be handled more easily during the experiment.

💡Jewelry removal

Removing jewelry from the hands is a safety measure highlighted in the script. It prevents any accidental damage to the jewelry or injury that could occur if the bubbles were to pop against a hard object like a ring or bracelet.

💡Scooping

Scooping refers to the action of collecting the bubble solution with the hands. In the video, this is done to create a bubble by trapping methane gas within the liquid film formed by the Fairy Liquid and water mixture.

💡Meter roll with a splint

A meter roll with a splint is a tool mentioned in the script, used to ignite the methane-filled bubbles. The splint on the end of the meter roll serves as a wick to safely light the gas, demonstrating the flammability of methane.

💡Flammability

Flammability is the ability of a substance to burn or ignite. The script describes an experiment where methane-filled bubbles are lit on fire, showcasing methane's flammability. This is a crucial aspect of the video's demonstration.

💡Complete combustion

Complete combustion is a chemical reaction where a substance reacts with oxygen to form carbon dioxide and water. The script mentions this reaction in the context of methane burning, highlighting the educational aspect of the video by connecting the experiment to chemical principles.

💡Carbon dioxide

Carbon dioxide is a gas produced during the combustion of methane, as mentioned in the script. It is a byproduct of the reaction and is relevant to the video's theme as it demonstrates the chemical changes that occur when methane burns.

💡IGCSE

IGCSE stands for International General Certificate of Secondary Education, which is an international education curriculum. The script references this curriculum to emphasize the educational value of the experiment, suggesting that the concepts demonstrated are part of the IGCSE chemistry syllabus.

💡Safety

Safety is an overarching theme in the video, as indicated by the script's mention of wetting hands, removing jewelry, and using a meter roll with a splint. These measures are taken to ensure that the experiment is conducted safely, which is an important aspect of any scientific demonstration.

Highlights

Introduction to a fun science experiment on making methane bubbles.

Preparation involves water mixed with a large amount of fairy liquid.

Demonstration of pumping methane into the container using a gas tap.

Instructions on wetting hands with water and washing up liquid before starting.

Removal of jewelry to ensure safety during the experiment.

Scooping up the methane mixture to create bubbles.

Observation that methane bubbles rise due to being lighter than air.

Explanation of the methane combustion reaction producing water and CO2.

Emphasis on the importance of the water protecting the hands from burns.

Discussion on the complete combustion reaction relevant for IGCSE studies.

Use of a meter roll with a splint to ignite the methane bubbles.

Excitement and bravery shown by the participant during the experiment.

Visual demonstration of the methane bubbles being ignited.

Explanation of why methane is used in the experiment.

Discussion on the properties of methane and its reaction with oxygen.

Background music adds to the excitement of the experiment.