• Save
8th Grade Chapter 4 Lesson 4 Slideshare
Upcoming SlideShare
Loading in...5
×
 

8th Grade Chapter 4 Lesson 4 Slideshare

on

  • 1,224 views

For Student Use Only

For Student Use Only

Statistics

Views

Total Views
1,224
Views on SlideShare
1,223
Embed Views
1

Actions

Likes
0
Downloads
0
Comments
0

1 Embed 1

http://www.slideshare.net 1

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    8th Grade Chapter 4 Lesson 4 Slideshare 8th Grade Chapter 4 Lesson 4 Slideshare Presentation Transcript

    • Pgs. 160-164 For Student Use Only
    • Archimedes discovered why gases float. Archimedes discovered why certain objects will float and certain objects will sink.
    • Different objects displace different amount of water. Bouyancy= the tendency for an object to float when it is placed in a fluid. An object in water feels lighter and this is called bouyancy.
    • What is buoyant force? Archimedes principle of bouyancy: states the weight lost by an object immersed in a fluid is equal to the weight of the fluid displaced
    • Why do ships float but solid steel sinks?
      • Water pushes up with a bouyant force
      • Objects are pulled down with the force of gravity.
      • Objects size and mass help determine the bouyant force.
    • What is a submarine?
      • All of the above
      • A boat
      • Toy kids play with
      • Ship that sinks
      • A ship that can manuver on the surface or dive below
    • How do submarines and airships work?
      • Submarine-
      • *On the surface- displaces equal volume.
      • *To submerge- takes in water to displace less volume
      • Airships-
      • *Float better on the surface of the Earth due to the thicker air
      • What makes all these devices work?
        • Archimedes principle- object displace a volume equal to their own.
      • What are constraints in subs and airships?
        • Subs- hull
        • Airship- altitude
      NOTE: