141. Petrified wood
See how petrified wood looks in a desert, and find out how it was formed, often in the times of the dinosaurs.
Supports: Geography: river, Geology: minerals
Playing time: 2 min
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142. Mesa Verde historic Native American site
Tells the history of Native Americans in the high tablelands of western USA, and why they abandoned their homes.
Supports: textbook History: Native Americans
Playing time: 4 min
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143. The Revolutionary War at Valley Forge
Overwintering an army, 1777-1778.
Supports: history: Georgian times (18th century); US Revolution
Playing time: 5 min
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144. Lulworth Cove
How Lulworth Cove formed (drone view)
Supports: textbook Geography: coast
Playing time: 3 min
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145. Walking a coastal path
Conservation and the coast.
Supports: geography: coast; Environment
Playing time: 3 min
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146. Famous explorers: Lewis and Clark 1804-6
The ground-breaking 2-year expedition from the Mississippi River to the Pacific coast over the Rocky Mountains and back, searching for a route to connect east and west coasts of America.
Supports: history: frontier, exploration, role of women
Playing time: 9 min
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147. Famous migrations: The Oregon Trail story
The famous 19th century across-America pioneering trek called the Oregon Trail.
Supports: textbook The journey west, migrations, Gold Rush
Playing time: 10 min
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148. Ullswater drive, Lake District
A drive along this former glacial valley, with lots of questions to answer.
Supports: textbooks geography: settlement/tourism
Playing time: 9 min
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149. Birmingham Drive-thru
Shows the history and concentric development of Birmingham.
Supports: textbooks Geography: settlement (places) and local studies
Playing time: 10 min
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150. V-shaped valley
Shows the main features of upland rivers.
Supports: textbook Geography: river
Playing time: 2 min
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151. Beavers and the fur trade
See how the demand for hats nearly caused the beavers to be exterminated, and how it also caused wars and a scramble for land in the 18th century (Georgian times).
Supports: History: Georgian times, US colonial times
Playing time: 5 min
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152. Spectacular natural oxbow
This is one of the world's best examples of an oxbow on a river.
Supports: textbooks Geography: river
Playing time: 4 min
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153. Coyote
Desert habitats.
Supports: Science: habitat, food chain; Geography: desert
Playing time: 2 min
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154. Palm trees
Date palm trees.
Supports: textbooks Science: plants and animals, habitats, desert
Playing time: 2 min
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155. Desert types and desert life
Introduction to deserts and habitats. Explains how living things survive harsh environments.
Supports: Geography: desert; Science: habitats
Playing time: 7 min
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156. How we farm: drilling seed
Drilling seed in a field at 20mph to an accuracy of 2cm. A wonderful technology and environment video. Part of the 'how we farm' series.
Supports: STEAM: materials, forces, machines, Geography: farming, environment, food
Playing time: 5 min
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157. How we farm: ploughing
Ploughing a field at 20mph. A wonderful technology and environment video. Part of the 'how we farm' series.
Supports: STEAM: materials, forces, machines, Geography: farming, environment, food
Playing time: 6 min
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158. How we farm: cultivating
How to make a roughly ploughed soil into a seedbed.
Supports: textbook Science: plants, environment, conservation, save the planet
Playing time: 3 min
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159. The world's first factories
The vital role of machines in changing the way people lived.
Supports: textbook History: Georgians, Victorians, Industrial Revolution
Geography: location of factories and industrial towns and cities
Social studies: The impact of factories on working life
Playing time: 10 min
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160. How we farm: minimum tilling for land conservation
How to break up the soil and cause least harm to soil life.
Supports: textbook Science: plants, environment, conservation, save the planet
Playing time: 4 min
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