martes, 2 de mayo de 2017

Materials and their properties

Let's learn about materials and their propierties.


We can see a lot of different materials in a house. 

Some materials are better for a purpose than others.

- Windows are made of glass because glass is transparent.
- Walls are made of bricks because bricks are hard.
- Doors are made of wood because wood is smooth.
- Stairs are made of stone because a stone is opaque.
- Taps are made of metal because metal is rigid.
- Sockets are made of plastic because plastic is soft.
- Curtains are made of fabric because the fabric is soft.




 Presentation about different types of materials

Quiz about materials

Click on the link above to start the Quiz.

Natural and manufactured materials

Natural materials are made by nature.

Manufactured materials are made by people.



Bend, twist, stretch, squash





Some materials are rigid. We cannot bend, twist,
stretch and squash them.



We can bend, twist, strectch and squash some 
materials and they remain in the new shape.


We can bend, twist, strectch and squash some 
materials and they go back to the original shape.






Magnetism

Some objects are attracted to magnets.

These objects are magnetic.







Matter and its properties