Heat is transferred from your body into an ice cube by

radiation

conduction

convection

refraction


question 3 (multiple choice worth 3 points)

the loudness of a sound will be determined by the wave’s

pitch

frequency

wavelength



question 4 (multiple choice worth 3 points)

the speed of a sound wave

is slower than an electromagnetic wave

is faster than a electromagnetic wave

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

What is the role of lenses in microscopy?