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Science Launch G2 / Week 05 / Wednesday
3/6
Week 05 · Warm It, Cool It

Wednesday

Investigation: Ice cube race
// Heating and cooling change matter
⏱ about 15 min

Wednesday: Ice cube race

Rocket sets two ice cubes on two plates.

"Ready, set, melt!" he shouts.

Raven moves one plate into the sun and one into the shade.

"What do you notice about the two spots?" she asks.

Nova checks the time. "Hint: look every ten minutes."

Your investigation

You will find out if warmth makes ice melt faster.

  • two ice cubes the same size
  • two small plates
  • a warm, sunny spot
  • a cool, shady spot
  • a clock or timer
Safety first
A grown-up takes the ice out of the freezer.
Do not eat or lick the ice.
Wipe up drips so nobody slips.
  1. Put one ice cube on each plate.
  2. Set one plate in the sun.
  3. Set the other plate in the shade.
  4. Check both plates every ten minutes.
  5. Write what you see.
MAKE A PREDICTION
  • Read the question.
  • Tap your answer.
Which ice cube do you predict will melt first?
Why do we use ice cubes the same size?
TimeSunny plateShady plate
start
10 minutes
20 minutes
30 minutes
After the raceTrue or false?
Warmth helps ice melt.?
The only thing we changed was the spot.?
Melted ice turns into a rock.?
WHY THIS EXERCISEMelted ice becomes liquid water.
For a grown-up
No sun today? Use a warm room and a cool room.
Save the melt water for Saturday if you like.
RACE CHECK
  • Read the question.
  • Tap your answer.
Where did Raven put the second plate?
How often did you check the plates?
Who takes the ice out of the freezer?
Why wipe up the drips?
SentenceTrue or false?
Both ice cubes started the same size.?
We may taste the ice.?
A warm room can stand in for sun.?
WHY THIS EXERCISESame size cubes keep the race fair.

Word Spot: might, close

Here are new sight words.

Look at each word. Say it. Spell it.

Might: M-I-G-H-T.

Close: C-L-O-S-E.

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.
The seed ___ sprout this week.
Please ___ the door.

What a race! Tomorrow we learn about changes that cannot go back.

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