How heavy is heavy?
Subtitle: science projects with weight
By: Robert Gardner
Series: Hot science experiments
Publisher: Enslow Elementary, an imprint of Enslow Publishers, Inc.
Published: 2015
Place of publication: Berkeley Heights, NJ
Language: eng
ISBN-13: 9780766066007
Subjects: Weight (Physics); Juvenile literature; Experiments; Measurement; Science projects
Work titles: Heavy-duty science projects with weight
Description: "Simple science experiments about measurement of weight using everyday items with many experiments that can be turned into science fair projects."--
Notes: "Originally published as Heavy-Duty Science Projects with Weight in 2003."

Includes index.

K to grade 3.
Table of contents: title: Introduction; title: Safety first; title: Weighing in; title: More weighing in; title: Weight and position; title: Gravity and different weights; title: Measuring weight: a "spring" scale; title: Weight and friction; title: Becoming weightless; title: Seesaws, weights, distances, and levers; title: Levers to lift weight; title: An inclined plane; title: Measuring weight with a balance; title: Can you weigh air?; title: Weighing air; title: Some effects of air¿s weight; title: Defying gravity; title: Defying gravity again; title: Using a siphon to defy gravity; title: Forces other than gravity.