Forces
题名:
Forces
PERSONAL_AUTHOR_EPSB:
摘要:
Explains essential facts about forces and movement, including gravity, friction, pressure, and simple machines. Includes experiments.
出版日期范围:
2009
SERIES_EPSB:
物理描述:
32 p. : col. illus. ; 29 cm.
一般注释:
Includes index and glossary.
内容:
Contents: What are forces? -- Pushes and pulls -- Gravity -- Try this...moon cycle -- Friction -- Types of friction -- Try this...air resistance -- Movement -- Try this...moving objects -- Pressure -- Floating -- Simple machines -- Try this...pulley wheel.
EPSB_521_2:
3-6
程序信息:
Wheels and Levers Gr. 4+
Accelerated Reader 4.7 0.5
ISBN:
9781599202693
出版信息:
Mankato, MN : Smart Apple Media, c2009.
