Science Chapter 3 Test will be on Friday, January 29th
Study pages 58-79 in Science textbook.
Key words and terms from the chapter:
·
Compound machines
·
6 simple machines: wedge, wheel and axle,
pulley, inclined plane, lever, and screw
·
Review examples of common compound machines, eg.
Scissors, can opener, bicycle
·
Understand the power of common machines, the
mechanical advantage if you combine the mechanical advantages of two or more
simple machines, pp.62-63
·
Explain how compound machines have changed over
time, pp.66-67
·
Describe how compound machines are used in
mining, forestry, and fishing pp.68-77
·
Answer Chapter Review #1-4 on p.79
·
Complete all class worksheets about compound
machines
d
Strategies to study for the test:·
Draw examples of key concepts and ideas
·
Have parent or older sibling test you on your
knowledge of compound machines
·
Create own set of study cards or use app QUIZLET