why do you see lightning before you hear thunder

Why Do You See Lightning Before You Hear Thunder?

If we are watching the sky, we see the lightning before we hear the thunder. That is because light travels much faster than sound waves. We can estimate the distance of the lightning by counting how many seconds it takes until we hear the thunder. It takes approximately 5 seconds for the sound to travel 1 mile.

Can thunder be hear before you see lightning?

Thunder and lightning all occur due to the release of energy – thunder is a soundwave, and lightning is the emission of electromagnetic energy. The reason we see a flash of lightning before hearing thunder is because light travels faster than sound.

Why do you see lightning before you hear thunder quizlet?

Why do we see lightning before we hear thunder? Because lightning (light) travels faster than thunder (sound). … Reflection is the bouncing of light off a surface, and refraction is the bending of light as it moves from one material to another.

Can thunder hurt you?

What is there to be scared of? Most storms are harmless, even soothing to some, and nurturing to plants and wildlife. Thunder can’t hurt us, of course, but lightning strikes can be deadly. … Still, lightning strikes are deadly, which is why you should go indoors when you hear thunder.

What does it mean when thunder is really loud?

If the thunder sounds more like a rumble, the lightning was at least several miles away. The loud boom that you sometimes hear is created by the main lightning channel as it reaches the ground. … Remember, if you can hear thunder, chances are that you’re within striking distance of the storm.

Which star would be hotter a star that produces blue light or a star that produces red light?

Blue stars are hotter than yellow stars, which are hotter than red stars. A hot star like Sirius, with a surface temperature of about 9,400 K emits more blue light than red light, so it looks brighter through a blue filter than through a red filter.

Why are tornadoes most common in the so called Tornado Alley quizlet?

The Central United States (“tornado alley”) is a favorable location for tornadoes to form because: Squall lines have built an “alley” over geological times into which thunderstorms are now channeled by the upper-level flow. It is very warm and dry, which increases the chances of rotating convection.

When the energy of the combined wave is greater than the energy of each of the two waves the process is called?

In destructive interference, the energy of the combined wave is greater than the energy of each of the two waves. As the frequency of a wave traveling at constant speed increases, its wavelength decreases.

Can lightning strike a phone?

Lightning can follow the wire to the handset and can injure the person using a landline. … If someone is struck by lightning and they have a cell phone on them, it will usually melt or burn. People have taken that and blamed the cell phone, Jensenius said, but in reality it is unrelated.

Can lightning hit you in your house?

Even though your home is a safe shelter during a lightning storm, you may still be at risk. About one-third of lightning-strike injuries occur indoors. Here are some tips to keep safe and reduce your risk of being struck by lightning while indoors.

Why is it safe to sit inside a car during a thunderstorm?

Cars are safe from lightning because of the metal cage surrounding the people inside the vehicle. This may sound counter-intuitive because metal is a good conductor of electricity, but the metal cage of a car directs the lightning charge around the vehicle occupants and safely into the ground.

What does it mean when thunder shakes your house?

Why does the house shake when there is a thunder storm? Your house will shake depending the closeness of the lightning. Thunder is a sonic boom that comes from the rapid heating of the air around a lightning strike. Sonic booms cause massive shaking to nearby objects (your house).

What is the loudest thunder ever recorded?

The Krakatoa explosion registered 172 decibels at 100 miles from the source. This is so astonishingly loud, that it’s inching up against the limits of what we mean by “sound.”

Why is thunder so loud in Florida?

Florida’s peninsula is surrounded by water that is relatively cooler than the afternoon temperatures over land. … As temperatures heat up each afternoon, there is a lot of energy for thunderstorms to use up, grow tall and produce excessive lightning.

How hot is a red star?

3,500 K
Red stars are cooler than the sun, with surface temperatures of 3,500 K for a bright red star and 2,500 K for a dark red star. The hottest stars are blue, with their surface temperatures falling anywhere between 10,000 K and 50,000 K.

Are all red stars old?

Stars emit colors of many different wavelengths, but the wavelength of light where a star’s emission is concentrated is related to the star’s temperature – the hotter the star, the more blue it is; the cooler the star, the more red it is. … So that is one way in which older stars are redder than young stars.

How hot is an orange star?

Color and Temperature

Table 1. Example Star Colors and Corresponding Approximate Temperatures
Star Color Approximate Temperature Example
Yellow 6000 K Sun
Orange 4000 K Aldebaran
Red 3000 K Betelgeuse

What type of thunderstorms produce tornadoes?

Supercell Tornadoes

Tornadoes that come from a supercell thunderstorm are the most common, and often the most dangerous. A rotating updraft is a key to the development of a supercell, and eventually a tornado.

What region of the US has the largest number of reported tornadoes?

The region of maximum tornado frequency, rightfully called Tornado Alley, extends from west Texas northeast through the western and central portions of Oklahoma and Kansas and across most of Nebraska.

What is a tornado funnel?

A tornado is often made visible by a distinctive funnel-shaped cloud. Commonly called the condensation funnel, the funnel cloud is a tapered column of water droplets that extends downward from the base of the parent cloud. … Generally, the more moist the air and the more intense the tornado, the larger the funnel cloud.

What is the bouncing back of a wave when it meets a surface or boundary?

The bouncing back of a wave as it meets a surface or boundary is called reflection. The bending of a wave as it passes an edge or an opening is called diffraction. The bending of waves as they pass from one medium to another is called refraction.

Why do waves pass through each other?

When Waves Meet

When two or more waves meet, they interact with each other. … Wave interference may occur when two waves that are traveling in opposite directions meet. The two waves pass through each other, and this affects their amplitude.

What is occurring when two waves traveling along the same?

What is Interference? Wave interference is the phenomenon that occurs when two waves meet while traveling along the same medium. The interference of waves causes the medium to take on a shape that results from the net effect of the two individual waves upon the particles of the medium.

Who gets struck by lightning the most?

Males are five times more likely than females to be struck by lightning; around 85% of lightning fatalities are men. People aged 15–34 years account for almost half of all lightning strike victims (41%).

Do cars get struck by lightning?

NO! Like trees, houses, and people, anything outside is at risk of being struck by lightning when thunderstorms are in the area, including cars. … The lightning will then pass through the vehicle’s outer metal shell, then through the tires to the ground.

What attracts lightning to a person?

Myth: Structures with metal, or metal on the body (jewelry, cell phones,Mp3 players, watches, etc), attract lightning. Fact: Height, pointy shape, and isolation are the dominant factors controlling where a lightning bolt will strike. The presence of metal makes absolutely no difference on where lightning strikes.

Is it safe to poop during a thunderstorm?

That combined with the methane gas in poop caused the bomb-like effect that traveled through the pipes, exploding the toilet in their master bathroom. … The plumbing company said this is just as rare as getting struck by lightning yourself. Luckily, the mess will be covered by insurance.

Where is the safest place to be during a lightning storm?

The safest location during a thunderstorm is inside a large enclosed structure with plumbing and electrical wiring. These include shopping centers, schools, office buildings, and private residences.

What happens if lightning hits a plane?

Lightning will usually hit a protruding part of the plane, such as the nose or the tip of the wing. … The fuselage acts like a Faraday cage, protecting the inside of the plane while the voltage moves along the outside of the container.

Do birds get hit by lightning?

Birds do get hit by lightning and are often killed by it. Birds that have been hit in the past include geese, blackbirds, starlings, cowbirds, owls, and even pelicans. However, these cases are rare as most birds do not take flight in the rain or in a thunderstorm due to the low barometric pressure.

How do you stop lightning from hitting your house?

Here’s how to stay safe:

  1. Avoid plumbing altogether. No showers, baths, doing dishes or washing your hands. …
  2. Avoid plumbing altogether. No showers, baths, doing dishes or washing your hands. …
  3. Don’t touch electronics. …
  4. Don’t touch electronics. …
  5. Stay away from windows and doors. …
  6. Stay away from windows and doors.

Is it safe to stand under a tree during lightning?

Fact: Sheltering under a tree is just about the worst thing you can do. If lightning does hit the tree, there’s the chance that a “ground charge” will spread out from the tree in all directions. Being underneath a tree is the second leading cause of lightning casualties.

Should I unplug stuff during a storm?

Anything that’s plugged into an outlet in your home is at risk of suffering damage from an electrical surge during thunderstorms. If an electrical storm has been forecast, unplug your computer, laptop, and other devices, and consider unplugging appliances.

Why are dogs scared of thunderstorms?

Dogs are often afraid of thunder simply because they don’t know what it is. Like fireworks, thunder is loud, unpredictable and often brings unexpected flashes of light. There are many reasons dogs may have astraphobia, or “thunder phobia,” though. Astraphobia can affect both humans and animals.

Why do we see lightning before thunder? | #aumsum #kids #science #education #children

Why We See Lightning Before We Hear Thunder // Severe Weather Series

The Science of Lightning | National Geographic

Why do we see lightning before thunder?

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