Question 1
EasyQuestion
A laser pointer makes a straight bright line in dusty air. What property of light does this best show?
Topic: Light Travels · Skill: Explain rectilinear propagation of light
Explorer · Grades 4-8
Assignment Practice
Light: Practice 001
Build this science skill step by step
Preview
Explorer question styleInside this assignment
First 4 questions from the learning flow.
Core Ideas · 5 questionsTry These Situations · 5 questions
Core Ideas
Choose the best answer for each question.
Choose the best answer for each question.
Question 2
EasyQuestion
Why does a sharp shadow form when an opaque book blocks sunlight?
Topic: Light Travels · Skill: Explain rectilinear propagation of light
Question 3
EasyQuestion
In a pinhole camera, why is the image inverted?
Topic: Light Travels · Skill: Explain rectilinear propagation of light
Question 4
EasyQuestion
Which setup would best test that light travels in straight lines?
Topic: Light Travels · Skill: Explain rectilinear propagation of light
What this assignment covers
Progressive practice for Light, focused on a small cluster of related Grade 7 Science skills.
Skills and sections
Explain rectilinear propagation of light, State and apply basic reflection ideas
- Core Ideas: 5 questions
- Try These Situations: 5 questions