What is barley? History of food
Barley ready to be harvested How is barley different from wheat? Barley's a kind of grass, like wheat or millet or sorghum or rice, that is a good source of carbohydrates [...]
20
06, 2017
13
06, 2017
Farming in Ancient Egypt – Egyptian farming
Egyptian farming: Ancient Egyptian cattle plowing (Louvre Museum, Paris) When did Egyptians start to farm? The Egyptians started farming a little later than their neighbors in West Asia and about the same [...]
12
06, 2017
History of plows and farming
Ancient Egyptian cattle plowing, ca. 1300 BC (Louvre Museum, Paris) What does plowing do? If you are going to plant seeds, like wheat seeds for example, and harvest them, then [...]
12
06, 2017
Planting crops – History of Farming
An Egyptian using a hand plow (about 1400 BC) The first part of farming is planting the seeds in good dirt, so they can begin to grow. In most parts [...]
8
06, 2017
What is hemp cloth? Chinese clothing
Wild hemp plant - for hemp cloth, oil, or medicine Where does hemp grow wild? Before people ever thought of using it for anything, hemp grew wild all over Central [...]
8
06, 2017
Where does cotton come from? South America
A cotton and alpaca wool cloth from Peru, about 200 AD (in the Brooklyn Museum) First place where people grew cotton South America was the first place in the world where people grew [...]
30
05, 2017
What are conifers? Pine trees, gymnosperms
Pine trees - A Spruce tree is a type of gymnosperm and conifer Too dry for ferns and moss Near the end of the Carboniferous period, about 300 million years [...]
30
05, 2017
Collecting pine cones – Gymnosperms project
Squirrel eats pine seeds from a cone Go take a walk outside in the fall and collect pine cones on the ground. How many different kinds of pine cones can [...]
30
05, 2017
Seeds – Plant reproduction – Biology
Evolution of seeds: Dandelion seeds What is a seed? A seed is the egg cell of a plant, with a hard wrapper around it so it can survive on its [...]
30
05, 2017
Plant reproduction – Biology – Science
Cell division The very earliest photosynthesizing plants on Earth, about 3 billion years ago, had only one cell, and they reproduced the way most one-celled creatures do, by mitosis: splitting [...]
