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Science Launch G1 / Week 04 / Wednesday
3/6
Week 04 · Clear, Cloudy, Blocked

Wednesday

Investigation: Flashlight test
// What can light pass through?
⏱ about 15 min

Wednesday: Flashlight test

Rocket lines up a cup, foil, tissue paper and cardboard.

"Which ones let light through?" asks Raven.

Nova says, "Test each one, and keep track."

You need

  • A flashlight
  • A clear plastic cup or clear plastic bag
  • Wax paper or tissue paper
  • Aluminum foil
  • A piece of cardboard
  • A white wall or white paper
Safety first
Never shine the flashlight into anyone’s eyes.
Use plastic, not glass.

Steps

  1. Make the room a little dim.
  2. Shine the flashlight at the white wall.
  3. Hold one material in front of the flashlight.
  4. Look at the wall. How much light gets through?
  5. Do the same for each material.
MAKE A PREDICTION
  • Read the question.
  • Tap your answer.
Which one will block the most light?
MaterialAll, some or none?
Clear plastic
Wax or tissue paper
Foil
Cardboard
SORT YOUR RESULTS
  • Read the question.
  • Tap your answer.
Light went right through the clear plastic. It is...
No light got through the foil. It is...
TEST CHECK
  • Read the question.
  • Tap your answer.
Why use plastic, not glass?
Some light came through tissue paper. It is...
Where do we look to see the light?
SentenceTrue or false?
We tested one material at a time.?
Foil let all the light through.?
A dim room makes the light easier to see.?
WHY THIS EXERCISETesting one at a time keeps it fair.
Draw the light on the wall for plastic and foil.

Word Spot: same, boy

Here are new sight words.

Look at each word. Say it. Spell it.

Same: S-A-M-E.

Boy: B-O-Y.

FIND THE WORD
  • Listen to the word.
  • Tap it.
Find the word you hear.
Find the word you hear.
Find the word you hear.
Find the word you hear.
FILL THE GAP
  • Listen to the sentence.
  • Tap the missing word.
These two leaves are the ___.
A ___ reads a book.

You tested like a real scientist!

Tomorrow you will make shadows.

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