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Matter Can Change- LECTURE - SERENA
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✂️ If you cut paper, the shape changes,
but it’s still paper.
Oops!
Okay!
💡
Other Examples:
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Okay!
ANSWER:
It changes shape but stays the same thing — that’s a physical change.
Oops!
Okay!
It still stays clay
— this is a physical change.
Oops!
Okay!
🍳 If you cook an egg, the egg becomes hard and white.
That’s a new form! (Chemical change)
Oops!
Okay!
What happens when you toast bread?
A: It becomes a new color and taste — that’s a chemical change!
Oops!
Okay!
🔍 How Can You Change Matter?
You can bend, fold, tear, or cut some things.
Oops!
Okay!
🍎 If you bite an apple, it’s still an apple
– just in pieces. (Physical change)
Oops!
Okay!
This kind of change is called a physical change
— it changes the shape or size, but not what it’s made of.
Oops!
Okay!
Sometimes,
matter changes into something new.
Oops!
Okay!
🧊 If ice melts, it becomes water.
It’s still made of water. (Physical change)
Oops!
Okay!
This is called a chemical change
— the material changes into something different.
Oops!
Okay!
These changes make them look different,
but they are still the same thing.
Oops!
Okay!
You are not turning clay into something else
you’re just making a new shape!
Oops!
Okay!
🔥 Changing Matter
into Something New
Oops!
Okay!
❓Questions for You
What happens if you cut a piece of fabric?
Oops!
Okay!
How has this clay been changed?
A: It was rolled, pressed, or shaped — but it's still clay.
Oops!
Okay!
🧾 Example:
If you fold a piece of paper, it’s still paper.
Oops!
Okay!
🔥 Example:
If you burn wood or paper, it turns into ash and smoke. That is a new kind of matter.
Oops!
Okay!
🧱 Shaping Clay
You can squeeze, roll, cut, or shape clay into different forms.
Oops!
Okay!
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