Conceptual Science Sem 2 Exam Review

_______________ is the highness or lowness of sound.

• Loudness

• Music

• Pitch

• Intensity

The way the brain perceives the intensity of a sound is _______________.

• pitch

• loudness

• frequency

• noise

Frequency is measured in ____.

• Hertz

• Meters per Second

• Decibels

• Intensity

Tags

NGSS.HS-PS4-1

The pitch of the siren on a rapidly approaching fire truck will _______________.

• increase

• decrease

• remain the same

Tags

NGSS.MS-PS4-1

All of the following are part of seeing yourself in a mirror EXCEPT _______________.

• light from the mirror hits the wall

• light reflects off you

• light from you hits the mirror

• light from the mirror hits your eye

The purple window is __________.

• opaque

• transparent

• translucent

Tags

NGSS.4-PS4-2

All of the following materials would cause diffuse reflections EXCEPT _______________.

• brick

• leather

• glass

• fabric

Tags

NGSS.MS-PS4-2

The primary pigment colors are _________.

• magenta, cyan, and yellow

• red, blue, and green

• yellow, blue, and green

• white and black

Light rays refracted by a concave lens _______________.

• converge

• disappear

• spread out

• are parallel

Tags

NGSS.MS-PS4-2

The image formed by a plane mirror is _______________.

• real and upright

• virtual and inverted

• upright and reversed

• real and reversed

Tags

NGSS.MS-PS4-2