U5. MATTER AND FORCES
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Created on April 13, 2020
MATTER AND FORCES
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Transcript
Presentation
WHICH FORCES ARE INVISIBLE?
COVER
12
11
10
THANK YOU!
EXPERIMENTS
VIDEOS
BUOYANCY AND DENSITY
CONTACT FORCES
NON CONTACT FORCES
PROPERTIES OF MATTER
MINDMAP
MATTER
GLOSSARY
BIG QUESTIONS
INDEX
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BIG QUESTIONS
2.
- WHAT IS MATTER?
- WHICH ARE THE STATES OF MATTER?
- WHICH ARE THE PROPERTIES OF MATTER?
- WHAT IS A FORCE? WHAT TYPES OF FORCES ARE THERE?
- WHAT IS BUOYANCY?
WE ARE GOING TO LEARN:
PROPERTIES7. Hardness8. Flexibility9. Resistance10. Thermal conduction11. Elasticity12. Solubility
3.
FORCE13. Friction14. Push15. Pull16. Gravity17. Magnetism18. Density19. Buoyancy
MATTER1. Mass2. VolumeSTATES OF MATTER3. Melting4. Evaporating5. Condensating6. Solidifying
GLOSSARY
- Hardness- Flexibility- Resistance- Thermal conduction- Elasticity- Solubility
Buoyancy
Magnetism
Gravity
Non-contact forces
Change of shape
Push and pull
Friction
Contact forces
- Solidifying- Melting- Evaporating- Condansating
changes
Liquidsolidgas
States
its properties are ...
Mass
volume
what is matter?
Matter and Forces
4.
MINDMAP
Watch this video about mass and volume.
The golf ball has more volume than a marble.
The watermelon has more mass than the orange.
Mass is the amount of matter in an object.It is measured with a weighing scale in grams (g) or kilograms (Kg) Volume is the amount of space an object occupies.It is measured with a measuring jug in mililiters (ml) or liters (l).
Matter is anything that occupies space and has mass.
Everything in the Universe is made of matter.
MATTER
Watch this video
solidifying
condensing
evaporating
melting
CHANGES OF STATE
We can find matter in 3 states: SOLID, LIQUID AND GAS. Matter is made up of ATOMS. When TEMPERATURE increases or decreases atoms move closer together or further apart.
STATES OF MATTER
GLASS is FRAGILE
PLASTIC is RESISTANT
RUBBER is FLEXIBLE
WOOD is RIGID
TALC is SOFT
The DIAMOND is HARD
Difficult to break = RESISTANTEasy to break = FRAGILE
3. RESISTANCE
Difficult to bend = RIGIDEasy to bend = FLEXIBLE
2. FLEXIBILITY
Difficult to scratch = HARDEasy to scratch = SOFT
1. HARDNESS
Materials are substances which are made up of matter.To make things, we use different materials depending on their properties.
PROPERTIES OF MATTER
ROCKS are INSOLUBLE
SALT is SOLUBLE
METAL is INELASTIC
RUBBER is ELASTIC
WOOD is an INSULATOR
METAL is a CONDUCTOR
It dissolves in liquid = SOLUBLEIt does not disolve in liquid = INSOLUBLE
Difficult to stretch = INELASTICEasy to stretch = ELASTIC
6. SOLUBILITY
5. ELASTICITY
It lets hot travel = CONDUCTORIt does not let hot travel = INSULATOR
4. THERMAL CONDUCTION
PROPERTIES OF MATTER
FRICTIONEXPERIMENT
CHANGE THE SHAPE
PUSH AND PULL
FRICTION
We apply a force to stretch a rubberband and when we stop, it returns to its original shape.
- CHANGE THE SHAPE: We apply a force to mould the clay and it keeps the given shape.
- FRICTION : We apply a force to move a book across the desk.
- PUSH AND PULL: We apply a force to open a door.
We make contact with an object. Examples:
CONTACT FORCES =
A force is an energy that changes the movement of an object.There are two types of forces: CONTACT FORCES & NON-CONTACT FORCES
FORCES
(THESE ARE INVISIBLE FORCES)
S. S.N. N.
S. NN. S
South pole repeals south pole
Force that attracts or repeals an object with a magnet.There are metals that have magnetic forces like iron, nickel or cobalt.Magnets have two poles: north and south pole.
Force that attracts objects towards each other. More mass = stronger force applied.The Earth has so much mass that its force of gravity pulls everything towards its centre.
DON''T REQUIRE CONTACT WITH AN OBJECT.
North pole attracts South pole
MAGNETISM
GRAVITY
NON-CONTACT FORCES
Whether an object sinks or floats depends on the material:An object with low density of matter FLOATSAn object with high density of matter SINKS
When you place an object in the water, the FORCE OF GRAVITY pushes the object to the bottom BUT other force BUOYANCY pushes the object upwards.
WHICH FORCE STOPS US FROM SINKING?
if you find more interesting experiments, you can send them to us.
STATES OF MATTER
DENSITY
VARIETY
GRAVITY
FORCE
- Click in the pictures and you will find many experiments that you can try at home with your parents.
EXPERIMENTS
VIDEOS
THANK YOU KIDS!