Floating and Sinking
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57 slides
Jun 15, 2010
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About This Presentation
This is a presentation for our science topic 'Floating and Sinking' - ENJOY!
Slide Content
FLOATING
AND SINKING
AND SINKING
FLOATING
AND SINKING
Presented by:Melenia Kaitaeifo
AND SINKING
Presented by:Melenia Kaitaeifo
Definition of floating & sinking
Definition of floating & sinking
Definition of floating & sinking
Floating is when an object is on the water
Floating is when an object is on the water
Definition of floating & sinking
Floating is when an object is on the water
Sinking is when the whole object is below the surface
Floating is when an object is on the water
Sinking is when the whole object is below the surface
QUESTIONS!!!!
QUESTIONS!!!!
Why do objects float?
Why do objects float?
QUESTIONS!!!!
Why do objects float?
Why does the material of an object matter with
floating and sinking?
Why do objects float?
Why does the material of an object matter with
floating and sinking?
QUESTIONS!!!!
Why do objects float?
Why does the material of an object matter with
floating and sinking?
Why do wooden made boats float?
Why do objects float?
Why does the material of an object matter with
floating and sinking?
Why do wooden made boats float?
WHAT OBJECTS FLOAT/SINK ?
WHAT OBJECTS FLOAT/SINK ?
Objects that float
Objects that float
WHAT OBJECTS FLOAT/SINK ?
Objects that float
polystyrene ball
Objects that float
polystyrene ball
WHAT OBJECTS FLOAT/SINK ?
Objects that float
polystyrene ball
leaf
Objects that float
polystyrene ball
leaf
WHAT OBJECTS FLOAT/SINK ?
Objects that float
polystyrene ball
leaf
ice-block stick
Objects that float
polystyrene ball
leaf
ice-block stick
WHAT OBJECTS FLOAT/SINK ?
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
WHAT OBJECTS FLOAT/SINK ?
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
WHAT OBJECTS FLOAT/SINK ?
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
blue tack
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
blue tack
WHAT OBJECTS FLOAT/SINK ?
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
blue tack
cotton ball
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
blue tack
cotton ball
WHAT OBJECTS FLOAT/SINK ?
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
blue tack
cotton ball
blue fabric
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
blue tack
cotton ball
blue fabric
WHAT OBJECTS FLOAT/SINK ?
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
blue tack
cotton ball
blue fabric
safety pin
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
blue tack
cotton ball
blue fabric
safety pin
WHAT OBJECTS FLOAT/SINK ?
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
blue tack
cotton ball
blue fabric
safety pin
crayon
Objects that float
polystyrene ball
leaf
ice-block stick
plastic rod
Objects that sink
blue tack
cotton ball
blue fabric
safety pin
crayon
WHAT MAKES AN OBJECT FLOAT?
WHAT MAKES AN OBJECT FLOAT?
Question?: Does the weight of the object make things float/sink?
Question?: Does the weight of the object make things float/sink?
WHAT MAKES AN OBJECT FLOAT?
Question?: Does the weight of the object make things float/sink?
Hypothesis: I think that the density of the object will make it either
float/sink
Question?: Does the weight of the object make things float/sink?
Hypothesis: I think that the density of the object will make it either
float/sink
WHAT MAKES AN OBJECT FLOAT?
Question?: Does the weight of the object make things float/sink?
Hypothesis: I think that the density of the object will make it either
float/sink
Equipment: Rolling pin,Wooden spoon,ice-block stick,Candle (3
sizes),& water
Question?: Does the weight of the object make things float/sink?
Hypothesis: I think that the density of the object will make it either
float/sink
Equipment: Rolling pin,Wooden spoon,ice-block stick,Candle (3
sizes),& water
WHAT MAKES AN OBJECT FLOAT?
Question?: Does the weight of the object make things float/sink?
Hypothesis: I think that the density of the object will make it either
float/sink
Equipment: Rolling pin,Wooden spoon,ice-block stick,Candle (3
sizes),& water
Method: Put an object in 1 by 1, leave it for a few mins
Question?: Does the weight of the object make things float/sink?
Hypothesis: I think that the density of the object will make it either
float/sink
Equipment: Rolling pin,Wooden spoon,ice-block stick,Candle (3
sizes),& water
Method: Put an object in 1 by 1, leave it for a few mins
WHAT MAKES AN OBJECT FLOAT?
Question?: Does the weight of the object make things float/sink?
Hypothesis: I think that the density of the object will make it either
float/sink
Equipment: Rolling pin,Wooden spoon,ice-block stick,Candle (3
sizes),& water
Method: Put an object in 1 by 1, leave it for a few mins
Results: Wood: All the sizes of wood floated. Candle:All the sizes of
candles also floated
Question?: Does the weight of the object make things float/sink?
Hypothesis: I think that the density of the object will make it either
float/sink
Equipment: Rolling pin,Wooden spoon,ice-block stick,Candle (3
sizes),& water
Method: Put an object in 1 by 1, leave it for a few mins
Results: Wood: All the sizes of wood floated. Candle:All the sizes of
candles also floated
WHAT MAKES AN OBJECT FLOAT?
Question?: Does the weight of the object make things float/sink?
Hypothesis: I think that the density of the object will make it either
float/sink
Equipment: Rolling pin,Wooden spoon,ice-block stick,Candle (3
sizes),& water
Method: Put an object in 1 by 1, leave it for a few mins
Results: Wood: All the sizes of wood floated. Candle:All the sizes of
candles also floated
Conclusion:Things can float/sink, not only by the weight, but also by
the material.
Question?: Does the weight of the object make things float/sink?
Hypothesis: I think that the density of the object will make it either
float/sink
Equipment: Rolling pin,Wooden spoon,ice-block stick,Candle (3
sizes),& water
Method: Put an object in 1 by 1, leave it for a few mins
Results: Wood: All the sizes of wood floated. Candle:All the sizes of
candles also floated
Conclusion:Things can float/sink, not only by the weight, but also by
the material.
What else helps things to float?
What else helps things to float?
Density:How tightly the atoms in the object are packed
Density:How tightly the atoms in the object are packed
What else helps things to float?
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
What else helps things to float?
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
What else helps things to float?
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
Trapped Air: If you put an empty bottle in water with its lid on, it will float
because of the trapped air
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
Trapped Air: If you put an empty bottle in water with its lid on, it will float
because of the trapped air
What else helps things to float?
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
Trapped Air: If you put an empty bottle in water with its lid on, it will float
because of the trapped air
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
Trapped Air: If you put an empty bottle in water with its lid on, it will float
because of the trapped air
What else helps things to float?
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
Trapped Air: If you put an empty bottle in water with its lid on, it will float
because of the trapped air
Upthrust: Is a force that pushes things up
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
Trapped Air: If you put an empty bottle in water with its lid on, it will float
because of the trapped air
Upthrust: Is a force that pushes things up
What else helps things to float?
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
Trapped Air: If you put an empty bottle in water with its lid on, it will float
because of the trapped air
Upthrust: Is a force that pushes things up
eg. When you push a floating object the upthrust force fights back
Density:How tightly the atoms in the object are packed
eg. If an object has low density, it will float
Trapped Air: If you put an empty bottle in water with its lid on, it will float
because of the trapped air
Upthrust: Is a force that pushes things up
eg. When you push a floating object the upthrust force fights back
Can changing an objects shape to increase its
volume make it float?
volume make it float?
Can changing an objects shape to increase its
volume make it float?
volume make it float?
Can changing an objects shape to increase its
volume make it float?
Yes! because it holds air and upthrust has more space to push the object
volume make it float?
Yes! because it holds air and upthrust has more space to push the object
Where does the water go?
Where does the water go?
Where does the water go?
The size of the object displaces the water. The water rises the same amount
of space the object took. This is displacement.
The size of the object displaces the water. The water rises the same amount
of space the object took. This is displacement.
CREDITS
CREDITS
Thanks a lot Mrs Will and Mrs
Gould for this fun floating and
sinking slide show
Thanks a lot Mrs Will and Mrs
Gould for this fun floating and
sinking slide show
CREDITS
Thanks a lot Mrs Will and Mrs
Gould for this fun floating and
sinking slide show
Thanks to Terence, Tyler and
Keynote for helping me
Thanks a lot Mrs Will and Mrs
Gould for this fun floating and
sinking slide show
Thanks to Terence, Tyler and
Keynote for helping me
CREDITS
Thanks a lot Mrs Will and Mrs
Gould for this fun floating and
sinking slide show
Thanks to Terence, Tyler and
Keynote for helping me
Thanks for being my audience!!!
Thanks a lot Mrs Will and Mrs
Gould for this fun floating and
sinking slide show
Thanks to Terence, Tyler and
Keynote for helping me
Thanks for being my audience!!!
CREDITS
Thanks a lot Mrs Will and Mrs
Gould for this fun floating and
sinking slide show
Thanks to Terence, Tyler and
Keynote for helping me
Thanks for being my audience!!!
By: Melenia Kaitaeifo
Thanks a lot Mrs Will and Mrs
Gould for this fun floating and
sinking slide show
Thanks to Terence, Tyler and
Keynote for helping me
Thanks for being my audience!!!
By: Melenia Kaitaeifo
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