"Many Ways to Move: A Look At Motion" by Jennifer Boothroyd explores the va...More
"Attract and Repel: A Look at Magnets" by Jennifer Boothroyd explores the f...More
In "Why Do Moving Objects Slow Down?: A Look at Friction," Jennifer Boothro...More
"Give It a Push! Give It a Pull!: A Look at Forces" by Jennifer Boothroyd i...More
In "What Holds Us to Earth?: A Look at Gravity," author Jennifer Boothroyd ...More
"What Floats? What Sinks?: A Look at Density" by Jennifer Boothroyd explore...More