How can you identify a metal? Take your piece of metal and test its magnetization by sticking a magnet to it. If your metal sticks to the magnet, the metal could be cast iron or steel. If the metal does not stick to the magnet, your metal could be copper, brass, solver or aluminum. Which […]
Which country is best in nuclear power?
Which country is best in nuclear power? Top 15 Nuclear Generating Countries – by Generation Country 2018 Nuclear Electricity supplied (GW-hr) United States 807,078 France 395,908 China 277,056 Russia 191,340 Which country is first in nuclear power? Nuclear power plants currently operate in 30 countries. Most are in Europe, North America, East Asia and South […]
What speed do radio waves travel in a vacuum?
What speed do radio waves travel in a vacuum? Electromagnetic radiation is a type of energy that is commonly known as light. Generally speaking, we say that light travels in waves, and all electromagnetic radiation travels at the same speed which is about 3.0 * 108 meters per second through a vacuum. How far can […]
How do you write amplitude?
Can Dolphins communicate with humans?
Can Dolphins communicate with humans? Can dolphins communicate with humans? Dolphins and humans can communicate to a limited degree. Dolphins are capable of learning skills based on human instruction and expressing certain desires. Any dolphin trainer will tell you that dolphins and humans can indeed communicate in a limited in fashion. Do we understand dolphin […]
How can you improve your physical fitness?
How can you improve your physical fitness? They keep your heart, lungs, and circulatory system healthy and improve your overall fitness. Examples include brisk walking, jogging, swimming, and biking. Strength, or resistance training, exercises make your muscles stronger. Some examples are lifting weights and using a resistance band. Which exercise will help to cure diabetes? […]
Does a bullet touch the barrel?
Does a bullet touch the barrel? Bullets touch the inside of the gun’s barrel during normal operation. There’s rifling inside the barrel that’s supposed to impart spin on the bullet. So the barrel rubs grooves in the bullet (this is how CSI can match a bullet to a gun) but the softer bullet does little […]
Why is there a difference between Celsius and Fahrenheit?
Why is there a difference between Celsius and Fahrenheit? Celsius scale, or centigrade scale, is a temperature scale that is based on the freezing point of water at 0°C and the boiling point of water at 100°C. Fahrenheit scale is a temperature scale that is based on the freezing point of water at 32°F and […]
Which is brighter bulbs in series or parallel?
Which is brighter bulbs in series or parallel? Bulbs in parallel are brighter than bulbs in series. In a parallel circuit the voltage for each bulb is the same as the voltage in the circuit. Unscrewing one bulb has no effect on the other bulb. Which bulb will glow brighter in parallel? Key Points: In […]