Light and Sound
Grade 1 - Science - On Level
Worksheet 1What evidence shows that the tuning fork is making sound?
How could a student stop the ruler edge's sound quickly?
Why is a wooden block hard to see in a completely dark room?
A flashlight shines on wax paper. What passes through?
Which plan makes the light comparison fair?
Which observation links the moving ruler edge to the sound heard?
What change removes the source of sound from the rubber band?
What must be added so eyes can detect a red ball in a pitch-black space?
A light test uses thin cloth. Which result should be recorded?
Which setup controls variables in a light investigation?