Podendorf, Illa

Compare Name: 
podendorfilla

The true book of rocks and minerals

Submitted by khenkes on Tue, 07/18/2017 - 08:37

An introduction to the formation and identification of a variety of rocks.

101 science experiments

Submitted by khenkes on Tue, 07/18/2017 - 08:37

One hundred and one experiments that answer student's questions concerning basic scientific concepts.

The true book of rocks and minerals

Submitted by khenkes on Tue, 07/18/2017 - 08:37

An introduction to the formation and identification of a variety of rocks.

Predicting with plants

  • Podendorf, Illa
1971
Simple experiments with mature plants and plant buds, stems, leaves, and seeds demonstrate some predictions that can be made about plant growth.

Shadows and more shadows

  • Podendorf, Illa
1971
Explains how shadows are cast and what they reveal about the shapes of various objects.

Energy

  • Podendorf, Illa
1982
An introduction to various sources of energy, including wind, water, electricity, magnets, heat, and sunlight.

Weeds and wild flowers

  • Podendorf, Illa
1981
An introduction to weeds that are always "weeds" and weeds that are considered wild flowers.

Seasons

  • Podendorf, Illa
1981
Explains the changing of seasons and describes how plants and animals adapt to and prepare for these changes.

Every day is earth day

  • Podendorf, Illa
1971
Discusses in simple terms the causes of pollution and some of the ways it can be avoided.

Space

  • Podendorf, Illa
1982
Defines in simple terms the characteristics of outer space, satellites, and the principles of flight through space.

Pages

Subscribe to RSS - Podendorf, Illa