Phys. Science: Chapter 10 Pre-Assessment

A glass ​ (a)   breaks light into bands of color

• prism
• convex
• vibrates

a ​ (a)   lens is thick in the middle

• convex
• prism
• vibrates

sound is produced when matter ​ (a)  

• vibrates
• prism
• convex

sound that bounces back from an object is an

• echo

• cycle

• concave

The complete movement of a vibration is a

• echo

• cycle

• concave

The reflecting surface of a ___________ mirror curves inward

• echo

• cycle

• concave

The high sound of a flute is called a high ​ (a)  

• pitch
• mirror
• intensity

A ​ (a)   reflects light rays

• mirror
• pitch
• intensity

The strength of a sound is its ​ (a)  

• intensity
• pitch
• mirror

​ (a)   measures distances underwater

• sonar
• refraction
• decibels