Understanding Solids and Liquids: Properties, Materials, and Uses
Explore the characteristics of solids and liquids, learn about different materials like wood, and understand the properties of natural and man-made substances. Discover the various uses of these materials in everyday life.
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Presentation Transcript
A solid is made up of very tiny particles that hold together very strongly.
They would They would look like look like this under a this under a microscope! microscope!
The shape of solid material The shape of solid material does not change unless it is does not change unless it is pushed pushed or or pulled pulled into a new shape. shape. into a new
Lets try it Lets try it out now! out now! The picture The picture gives a gives a clue . clue .
Many items Many items we use are we use are made from made from wood. wood. Is wood a natural or man made material?
Wood is a natural material These trees have been felled and cut in to logs.
This boy is This boy is playing a playing a wooden wooden piano. piano. It is made from a very dark wood called ebony. Can you think of some other types of wood?
The walls of The walls of these houses these houses have been have been made from made from wood. wood. What is your house made from?
Can you tell me some Can you tell me some of the of the properties properties of wood? wood? of Look at the words on your Look at the words on your desk to help you! desk to help you!
Wood can be Wood can be processed in processed in to other to other things. things. Can you guess what is being made here?
Paper is a very versatile product Paper is a very versatile product
Can you Can you compare properties of wood and properties of wood and paper? paper? compare the the Look at the cards to help Look at the cards to help you. you.
Glass is also a Glass is also a solid material solid material which has which has many many different different uses. uses.
Glass is a Glass is a solid solid material material made from made from limestone limestone and sand. and sand.
Some Some modern modern buildings buildings are made are made from glass. from glass. What do you What do you think it think it would be like would be like on this inside on this inside of this of this building? building?
Can you tell me some of the Can you tell me some of the properties of glass properties of glass? Use the cards to help you! Use the cards to help you!
What natural What natural material is material is being being tapped from tapped from this tree? this tree?
Can you Can you guess what guess what this object this object is? We are is? We are looking at it looking at it close close- -up. up. Tell me some other things made from rubber.
This This ruler is ruler is metal. metal. Is metal a Is metal a natural or natural or man made man made material? material?
Most metals Most metals are made are made from ores from ores which have which have dug out of dug out of the ground. the ground. Then they are Then they are made into made into metals . metals .
Can you tell me some of Can you tell me some of the the properties properties of metals? of metals?
What What special special property property do some do some metals metals have? have?
Most Most solids are solids are hard and hard and strong but strong but some are some are soft and soft and ? . ? .
Plastic is a Plastic is a solid solid material. material. Have a look Have a look around the around the class room. class room. Which things Which things are plastic? are plastic? Is plastic a man made or natural material?
Liquids Liquids have no strength of have no strength of their own, and so they their own, and so they take the shape the shape of the container of the container that holds them. that holds them. take
The particles The particles look like this look like this under a under a microscope. microscope. Compare Compare them to the them to the particles in particles in solids. solids.
Although Although a liquid a liquid changes changes shape, it shape, it cannot be cannot be squashed. squashed. Why? Why? We are going to investigate the properties of some materials now.
