CAN
CAN'T
CAN'T
Name TWO things humans can do but fish can’t.
Talk
Walk
Ride a bike
Complete logically:
“Before electricity existed, people couldn’t…”
Which sentence shows MORE certainty?
A) It may rain.
B) It will rain.
Option B
Explain why liquids change shape but solids do not.
Liquid particles can move around each other, but solid particles stay fixed in place.
Why is rubber used in rain boots instead of paper?
Rubber is waterproof, but paper absorbs water.
Which sentence is correct?
A) Birds can to fly.
B) Birds can fly.
C) Birds cans fly.
Option B
Explain the difference:
“I can swim.”
vs
“I could swim.”
CAN = present
COULD= past
Why do scientists use words like “might” instead of “will” sometimes?
Most of the time, scientists don't know the final outcome of the experiment. So, scientists use “might” when they are not completely certain.
Why do gases fill an entire container?
Gas particles move freely in all directions and spread out.
Which material would be BEST for a window:
Glass, because it is transparent and lets light pass through.
Name one thing technology allows humans to do that they can’t do naturally.
Correct AND explain the mistake:
“When I was five, I could rode a bike.”
When I was five, I could ride a bike.
Create TWO predictions:
Using:
I may participate in the championship if everything goes well.
I might not go to Japan this year as I'm broke.
Which state of matter has a fixed shape?
Solid
Explain why transparency is important in some objects but not others.
Transparency is important when we need to see through an object, like windows or glasses.
Create a sentence using:
“A dolphin can swim, but it can’t walk.”
Which sentence talks about PAST ability?
A) I can dance.
B) I could dance.
C) I might dance.
B) I could dance.
Compare:
“May I open the window?”
and
“Can I open the window?”
Why are they different?
“May I” asks permission more politely.
“Can I” asks about ability or informal permission.
Why do solids keep their shape?
Their particles are tightly packed and only vibrate slightly.
A chef needs a material for a frying pan.
The material should be strong, hard, and heat resistant.
Explain the difference:
“Birds can fly.”
vs
“Birds may fly south in winter.”
“Can” shows ability.
“May” shows possibility.
Explain the grammatical rule after “could”.
After “could,” we use the base form of the verb.
Example:
✅ could swim
❌ could swam
Can “might” describe something impossible?
No, “might” describes possibility, not impossibility.
Compare particle movement in:
Solid particles vibrate in place.
Liquid particles move around each other.
Gas particles move freely and quickly in all directions.
“I am flexible, waterproof, and lightweight.”
Name TWO possible materials.