Standard Science Primary 4 Energy

Study the setup below. Which material for the sheet would result in the darkest shadow on the screen?

A Frosted glass
B Tracing paper
C Clear plastic
D Cardboard
Show Worked Solution

Worked Solution

Step 1: Shadow darkness depends on transparency. Step 2: Opaque materials block all light. Step 3: Cardboard is opaque, creating the darkest shadow.

Correct answer: Cardboard

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free