Hydrogen peroxide is a chemical compound made up of two hydrogen atoms and two oxygen atoms. It is a pale blue liquid that is often used as a disinfectant or bleach, and it can be found in many household cleaning products.
One interesting experiment that can be done with hydrogen peroxide is the potato experiment. This experiment involves cutting a potato into thin slices and soaking them in a solution of hydrogen peroxide for a period of time.
To perform the experiment, you will need the following materials:
- A potato
- Hydrogen peroxide (3% concentration)
- A plastic container or bowl
- A knife or potato slicer
- A timer or clock
To begin, slice the potato into thin rounds using the knife or potato slicer. You can cut the slices as thin or as thick as you like, but thinner slices will likely react faster to the hydrogen peroxide solution.
Next, fill the plastic container or bowl with enough hydrogen peroxide to cover the potato slices. Carefully place the potato slices into the solution and set a timer for 10 minutes.
As the potato slices soak in the hydrogen peroxide, you will begin to notice some bubbling and foaming. This is due to the release of oxygen gas as the hydrogen peroxide decomposes. The oxygen gas is what causes the bubbling and foaming, as it becomes trapped in the potato slices.
After 10 minutes, remove the potato slices from the solution and place them on a plate or paper towel to dry. As the potato slices dry, the oxygen gas will escape, and the bubbling and foaming will stop.
You may notice that the potato slices have changed color after soaking in the hydrogen peroxide solution. This is due to the bleaching effect of the hydrogen peroxide, which can lighten the natural color of the potato slices.
Overall, the potato experiment is a simple and fun way to demonstrate the decomposition of hydrogen peroxide and the release of oxygen gas. It is a great way to introduce students to the concept of chemical reactions and the properties of hydrogen peroxide.
Poem Analysis: Fern Hill By Dylan Thomas
The connection of all the images in the first stanza would concentrate on the abundance of birds, which would become a cloud moving that reminded him of god creating and magnets moving iron fillings. The repetition of words green and golden is noticeable throughout the whole poem. Fern Hill Analysis at his or her own pace. The fire appears green because first, it is probably big, strong and persistent; therefore, it can be considered young; secondly, the fire contents is mostly grass and gives the flame a green appearance. In his imagination, the poet feels that he was the master of his little world. Anyone Lived in a Pretty How Town moment in time otherwise lost in the blink of an eye.
Analysis: "Fern Hill", "Dawn Raid" by Dylan Thomas
GradeSaver, 11 April 2022 Web. When describing a farm in Wales, The speaker Dylan Thomas focuses mostly on the nature and its elements. The connotation of golden is a stage of life, where in this case, as person is a little older, but feels still fresh, and energetic. Doing this might prove an even better effort at preservation than a lone, recorded voice bellowing out the past. When the Sabbath came, the boy heard the ringing of the church bells. Overall, I like this particular poem because it reminds me of happy times in my childhood and that we should enjoy every moment in our lives as we don't know what is tomorrow going to bring us. In both 10 and 14 , the symbolic meaning of green and golden is applied; these express the necessary availability of more time to play, and exist.
Fern Hill Study Guide
Innocence will fade with age. As he was a poet both of the sea and the woods, the sense and sights of the countryside, the various objects and phenomena of nature — are the most important sources of imagery in his poetry. It is a good, even beautiful, poem, but mostly one-dimensional and overlong. Rather than conventional rhymes, the poem employs slant rhymes based on assonance, or shared vowel sounds, with each verse following the pattern abcdeabcd. This poem also teaches us that time is passing and so we need to take every opportunity we get and we need to be thankful for what we have. The ending of this stanza is written in an unconscious state. The rivers of the windfall light means that bright light falling on the apples, which had prematurely fallen down upon the ground.
Describe the Imagery in “Fern Hill” by Dylan Thomas Analysis Free Essay Example
In both 24 and 25 animals are personified as his family members. The sound of the church bells was mingled with the sound of the water flowing over the pebbles of streams. He is looking back in time, analyzing last couple of years in his life. He feels positive, and full of energy, because all the sun long it was running, it was lovely 19 , meaning all day ling everything was fine lovely, perfect. Thus Dylan Thomas through his image convinces us of the significance and authenticity of his childhood vision. Consonances were used to help the rhyme scheme sound more pleasing to readers.
