# Hacktivateed

## What can only travel through solids?

S-waves can travel only through solids, because only solids have rigidity. S-waves cannot travel through liquids or gases. Because the earth’s mantle becomes more rigid as its depth below the asthenosphere increases, S-waves travel faster as they go deeper in the mantle.

## What travels through solid liquid and gas?

Sound waves need to travel through a medium such as solids, liquids and gases. The sound waves move through each of these mediums by vibrating the molecules in the matter. The molecules in solids are packed very tightly. Sound waves travel about thirteen times faster in wood than air.

Can light travel through solids liquids and gases?

Light travels as a wave. But unlike sound waves or water waves, it does not need any matter or material to carry its energy along. (Sound, on the other hand, must travel through a solid, a liquid, or a gas.) Nothing travels faster than light energy.

How do P waves travel?

P waves travel through rock the same way that sound waves do through air. That is, they move as pressure waves. When a pressure wave passes a certain point, the material it is passing through moves forward, then back, along the same path that the wave is traveling. P waves can travel through solids, liquids and gases.

### Are surface waves the slowest?

Their speeds vary depending on the density and the elastic properties of the material they pass through, and they are amplified as they reach the surface. The third type of wave, and the slowest, is the surface wave.

### What can sound not travel through?

vacuum
Sound cannot travel through a vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.

Does sound travel faster in a gas or a liquid?

Sound travels faster in liquids than in gases because molecules are packed more closely together. This means that when the water molecules begin to vibrate, they quickly begin to collide with each other forming a rapidly moving compression wave. Sound travels over four times faster than in air!

Which is faster sound or light?

The speed of light as it travels through air and space is much faster than that of sound; it travels at 300 million meters per second or 273,400 miles per hour.

## How does light travel in a vacuum?

Light can travel in a vacuum. There are no molecules of air or anything else in a vacuum. Like all forms of electromagnetic waves, light can travel through empty space, as well as through matter.

## How fast do P waves travel?

P-waves are the first waves to arrive on a complete record of ground shaking because they travel the fastest (their name derives from this fact – P is an abbreviation for primary, first wave to arrive). They typically travel at speeds between ~1 and ~14 km/sec.

What does S wave stand for?

shear wave
An S wave, or shear wave, is a seismic body wave that shakes the ground back and forth perpendicular to the direction the wave is moving.

How can sound travel through liquids and gases?

Divide the class into teams of two students each. Ask the students to predict if sound can move through solids, liquids and gases. Have the students complete the worksheet, which leads them through traveling sound wave activities. Can sound energy travel through solids? Students place their ears on a desk or table as they tap or scratch on the top.

### Can a seismic wave pass through a solid?

S waves cannot pass through the liquid outer core, but P waves can. When P waves pass from solid to liquid, then from liquid to solid, there are sudden changes in direction – they are reflected and refracted. Seismic waves are also reflected and refracted as they pass into different rock types.

### What kind of liquids can you bring on a plane?

You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag and through the checkpoint.

What does it take to get liquids through TSA?

Inbound International Flights. The liquids are packed in a transparent, secure, tamper-evident bag by the retailer and do not show signs of tampering when presented to TSA for screening. The original receipt for the liquids is present and the purchase was made within 48 hours. The items inside the secure, tamper-evident bags must be screened…