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Clear, cloudy or blocking? How much light gets through

1st grade (Year 2 in England) · 16 questions · Common Core: NGSS.1-PS4-3 · England: KS2 Y3 Light, KS1 Y1 Everyday materials

Name

Date

Score/ 16

1
Question 1
Which of these is transparent?
- A. a clear glass window
- B. a wooden door
- C. tissue paper
- D. baking paper (wax paper)
2
Question 2
How much light passes through this: frosted glass in a bathroom window?
- A. transparent (lets almost all light through)
- B. translucent (lets some light through)
- C. opaque (lets no light through)
3
Question 3
Which material is best for curtains that keep a bedroom dark on summer mornings?
- A. frosted glass
- B. thin tissue paper
- C. thick opaque blackout fabric
- D. clear plastic
4
Question 4
Which of these is opaque?
- A. tissue paper
- B. clean water
- C. a brick wall
- D. a clear glass window
5
Question 5
How much light passes through this: a clear plastic bottle?
- A. transparent (lets almost all light through)
- B. translucent (lets some light through)
- C. opaque (lets no light through)
6
Question 6
Which would make the darkest shadow?
- A. a sheet of tissue paper
- B. a glass of clean water
- C. a clear plastic cup
- D. a wooden block
7
Question 7
Which of these is transparent?
- A. tissue paper
- B. a thin cotton sheet
- C. cling film (plastic wrap)
- D. a wooden door
8
Question 8
How much light passes through this: tissue paper?
- A. transparent (lets almost all light through)
- B. translucent (lets some light through)
- C. opaque (lets no light through)
9
Question 9
A bathroom window needs to let light in but stop people seeing in. Which glass is best?
- A. frosted (translucent) glass
- B. a mirror facing in
- C. clear (transparent) glass
- D. a metal sheet
10
Question 10
Which of these is translucent?
- A. a wooden door
- B. cling film (plastic wrap)
- C. a thick book
- D. baking paper (wax paper)
11
Question 11
How much light passes through this: frosted glass in a bathroom window?
- A. transparent (lets almost all light through)
- B. translucent (lets some light through)
- C. opaque (lets no light through)
12
Question 12
Why are greenhouses made of clear glass or plastic?
- A. to stop rain falling on the roof
- B. because glass is soft
- C. so sunlight can reach the plants inside
- D. to keep plants in the dark
13
Question 13
Which of these is translucent?
- A. frosted glass in a bathroom window
- B. a wooden door
- C. a brick wall
- D. a clear glass window
14
Question 14
How much light passes through this: cling film (plastic wrap)?
- A. transparent (lets almost all light through)
- B. translucent (lets some light through)
- C. opaque (lets no light through)
15
Question 15
A bathroom window needs to let light in but stop people seeing in. Which glass is best?
- A. clear (transparent) glass
- B. frosted (translucent) glass
- C. a mirror facing in
- D. a metal sheet
16
Question 16
Which of these is opaque?
- A. frosted glass in a bathroom window
- B. cling film (plastic wrap)
- C. aluminium (aluminum) foil
- D. a thin cotton sheet

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