What means structure? A structure is something of many parts that is put together. A structure can be a skyscraper, an outhouse, your body, or a sentence. Structure is from the Latin word structura which means “a fitting together, building.” Although it’s certainly used to describe buildings, it can do more than that. What is […]
Can humans see microwaves?
Can humans see microwaves? The human retina can only detect incident light that falls in waves 400 to 720 nanometers long, so we can’t see microwave or ultraviolet wavelengths. This also applies to infrared lights which has wavelengths longer than visible and shorter than microwaves, thus being invisible to the human eye. Why can’t our […]
How did Yaa Asantewaa died?
How did Yaa Asantewaa died? Just a year after the resurfacing of the Golden Stool, its keeper, Yaa Asantewaa, died in her sleep in 1921 while still in prison in Seychelles. But the purpose of the war had been fulfilled; Hodgson never sat on the Golden Stool and the war convinced the British to release […]
How much more powerful is fusion than fission?
How much more powerful is fusion than fission? Abundant energy: Fusing atoms together in a controlled way releases nearly four million times more energy than a chemical reaction such as the burning of coal, oil or gas and four times as much as nuclear fission reactions (at equal mass). Does Fusion produce more energy than […]
What do you do when a student refuses to participate?
What do you do when a student refuses to participate? If a student is outwardly refusing to do work in the classroom, there is always a reason….If they are in the classroom, keep teaching them! Give wait time. When a student refuses work at first, sometimes all they need is a little wait time. Ignore […]
What is the next step after collecting data?
What is the next step after collecting data? Answer: Step 1: Identify issues and/or opportunities for collecting data. Step 2: Select issue(s) and/or opportunity(ies) and set goals. Step 3: Plan an approach and methods. Step 4: Collect data. Step 5: Analyze and interpret data. Step 6: Act on results. What common mistake do researchers make […]
What are the negatives of mountaintop removal?
What are the negatives of mountaintop removal? Toxic heavy metals such as cadmium, selenium, and arsenic leach into local water supplies, poisoning drinking water. This destructive practice, known as mountaintop-removal mining, sends carcinogenic toxins like silica into the air, affecting communities for miles around. How does burning coal contribute to climate change it releases? The […]
What is meant by visual angle?
What happens if you burn sugar?
What happens if you burn sugar? Sugar is made of carbon, hydrogen and oxygen atoms. When heated over a candle, these elements react with the fire to turn into a liquid. The heat causes the sugar’s atoms to combine with the oxygen in the air, forming new groups of atoms. Energy is released in this […]
What are common diseases of the urinary system?
What are common diseases of the urinary system? Common causes of urinary disorders Benign prostatic hyperplasia (enlargement of the prostate) Cancers or benign tumors. Dehydration. Infections of the urinary tract. Interstitial cystitis (conditions involving chronic inflammation of the bladder) Kidney diseases. Kidney or urinary tract stones. Post-vasectomy syndrome. What is the most common urinary disorder? […]