Talyn Science Test

When scientists determine wavelength, they measure the distance between the top of a wave called the ______

• crest
• valley
• peak
• trough

When people speak to communicate. air from the lungs passes through the _____ ___ and it ________ the vocal cords and creates sound.

• esophagus
• bronchi cord/moves

• diaphragm path/shake

• voice box/vibrates

Materials such as air, water and solids are made up of millions of tiny pieces called __________ that are too small to see.

• molecules
• atoms
• cells
• particles

A _____ has a definite shape and usually takes up a definite amount of space. Its particles are closely packed together.

• liquid
• solid
• gas
• plasma

A ______ takes the shape of the container it is in. The particles are able to slide past one another.

• plasma
• liquid
• gas
• solid

A ___ takes the shape of its container. The particles are very far apart from one another and move in all directions. It has no shape or volume.

• Gas
• Plasma
• Solid
• Liquid

When objects _______ they disturb the nearest particles of air and the particles _______ or bump together with the air particles next to them.

• shake, crash
• vibrate, collide
• move, smash
• rattle, hit

When sound waves make particles vibrate in the air, water or solids, the particles _______ against a person's ______ causing them to hear the sound.

• vibrate, retina
• vibrate, eardrum
• oscillate, eustachian tube
• resonate, cochlea

The particles of liquid bump into one another faster than the air particles because the particles are ______ together than in air.

• closer
• slower
• looser
• farther

Sound waves move ______ in liquid than they do in air.

• faster
• upwards
• slower
• sideways