Open Encyclopedia Stock Videos

Browse 169 open encyclopedia videos and clips available to use in your projects, or start a new search to explore more footage and b-roll video clips.

video thumbnail
rocks that form on the earth's surface - part 21 of 29. designed to help students investigate sedimentary rocks - to discover where they come from, what they are made of, and how they are formed. explores some of the ways in which sediments are produced, - open encyclopedia stock videos & royalty-free footage
00:29
Rocks that Form on the Earth's Surface - part 21 of 29. Designed to help students investigate sedimentary rocks - to discover where they come from, what they are made of, and how they are formed. Explores some of the ways in which sediments are produced,
video thumbnail
rocks that form on the earth's surface - part 20 of 29. designed to help students investigate sedimentary rocks - to discover where they come from, what they are made of, and how they are formed. explores some of the ways in which sediments are produced, - open encyclopedia stock videos & royalty-free footage
00:31
Rocks that Form on the Earth's Surface - part 20 of 29. Designed to help students investigate sedimentary rocks - to discover where they come from, what they are made of, and how they are formed. Explores some of the ways in which sediments are produced,
Dust, Drop, Water
video thumbnail
gymnosperms - part 2 of 29. demonstrates that gymnosperms are seed plants which bear their seeds on cones. animation and time-lapse sequence trace the life cycle of the pine through the growth of the pollen and seed cones, pollination, fertilization, and - open encyclopedia stock videos & royalty-free footage
00:30
Gymnosperms - part 2 of 29. Demonstrates that gymnosperms are seed plants which bear their seeds on cones. Animation and time-lapse sequence trace the life cycle of the pine through the growth of the pollen and seed cones, pollination, fertilization, and
video thumbnail
brazil - people of the highlands (2nd edition) - part 20 of 29. illustrates the different ways of life as represented by four men and their families - the prosperous owner of a large coffee plantation, a tenant farmer on the plantation, the owner of a sma - open encyclopedia stock videos & royalty-free footage
00:33
Brazil - People of the Highlands (2nd edition) - part 20 of 29. Illustrates the different ways of life as represented by four men and their families - the prosperous owner of a large coffee plantation, a tenant farmer on the plantation, the owner of a sma
video thumbnail
learning about heat - part 4 of 13. demonstrates the effects of heat on different kinds of materials; explains the principles of expansion and contraction; and illustrates how heat travels by conduction, convection, and radiation - open encyclopedia stock videos & royalty-free footage
00:32
Learning About Heat - part 4 of 13. Demonstrates the effects of heat on different kinds of materials; explains the principles of expansion and contraction; and illustrates how heat travels by conduction, convection, and radiation
Ice, Freezer, 1950-1959
video thumbnail
parasitism (parasitic flatworms) - part 4 of 28. traces the development of parasitic flatworms, showing several life-cycle stages that have rarely been photographed before, including blood flukes and tapeworms. defines predation, mutualism, internal and - open encyclopedia stock videos & royalty-free footage
00:34
Parasitism (Parasitic Flatworms) - part 4 of 28. Traces the development of parasitic flatworms, showing several life-cycle stages that have rarely been photographed before, including blood flukes and tapeworms. Defines predation, mutualism, internal and
Scientist
video thumbnail
what is a fish? - part 17 of 39. illustrates the major types of fishes. shows the anatomy of a typical fish and demonstrates characteristic behavior patterns of various kinds of fishes. underwater photography is used to reveal behavior patterns such as c - open encyclopedia stock videos & royalty-free footage
00:31
What is a Fish? - part 17 of 39. Illustrates the major types of fishes. Shows the anatomy of a typical fish and demonstrates characteristic behavior patterns of various kinds of fishes. Underwater photography is used to reveal behavior patterns such as c
video thumbnail
what is a fish? - part 11 of 39. illustrates the major types of fishes. shows the anatomy of a typical fish and demonstrates characteristic behavior patterns of various kinds of fishes. underwater photography is used to reveal behavior patterns such as c - open encyclopedia stock videos & royalty-free footage
00:33
What is a Fish? - part 11 of 39. Illustrates the major types of fishes. Shows the anatomy of a typical fish and demonstrates characteristic behavior patterns of various kinds of fishes. Underwater photography is used to reveal behavior patterns such as c
video thumbnail
what is a fish? - part 10 of 39. illustrates the major types of fishes. shows the anatomy of a typical fish and demonstrates characteristic behavior patterns of various kinds of fishes. underwater photography is used to reveal behavior patterns such as c - open encyclopedia stock videos & royalty-free footage
00:34
What is a Fish? - part 10 of 39. Illustrates the major types of fishes. Shows the anatomy of a typical fish and demonstrates characteristic behavior patterns of various kinds of fishes. Underwater photography is used to reveal behavior patterns such as c
video thumbnail
what is a fish? - part 9 of 39. illustrates the major types of fishes. shows the anatomy of a typical fish and demonstrates characteristic behavior patterns of various kinds of fishes. underwater photography is used to reveal behavior patterns such as co - open encyclopedia stock videos & royalty-free footage
00:25
What is a Fish? - part 9 of 39. Illustrates the major types of fishes. Shows the anatomy of a typical fish and demonstrates characteristic behavior patterns of various kinds of fishes. Underwater photography is used to reveal behavior patterns such as co
video thumbnail
the middle states (2nd edition) - part 1 of 19. reveals the balance of agriculture and industry which exists in the region of the eight middle states. shows the four distinct economic belts; interdependence of the middle states with the other states; the - open encyclopedia stock videos & royalty-free footage
00:37
The Middle States (2nd edition) - part 1 of 19. Reveals the balance of agriculture and industry which exists in the region of the eight middle states. Shows the four distinct economic belts; interdependence of the middle states with the other states; the
video thumbnail
the middle states (2nd edition) - part 8 of 19. reveals the balance of agriculture and industry which exists in the region of the eight middle states. shows the four distinct economic belts; interdependence of the middle states with the other states; the - open encyclopedia stock videos & royalty-free footage
00:32
The Middle States (2nd edition) - part 8 of 19. Reveals the balance of agriculture and industry which exists in the region of the eight middle states. Shows the four distinct economic belts; interdependence of the middle states with the other states; the
Cheese, 1950-1959
video thumbnail
continent of africa (lands below the sahara) - part 4 of 37. shows causes and effects of africa's political and social revolutions; the contrasts in the way of life of its indigenous peoples; the physical geography of the continent; and the non-african's - open encyclopedia stock videos & royalty-free footage
00:34
Continent of Africa (Lands Below the Sahara) - part 4 of 37. Shows causes and effects of Africa's political and social revolutions; the contrasts in the way of life of its indigenous peoples; the physical geography of the continent; and the non-African's
Ivory Trade, Tusk, Africa
video thumbnail
the nile valley and its people - part 20 of 27. follows the nile from lake victoria across africa to the mediterranean, and shows why the people of uganda, the sudan, and egypt regard the "lord of all rivers" as the symbol of life - open encyclopedia stock videos & royalty-free footage
00:32
The Nile Valley and Its People - part 20 of 27. Follows the Nile from Lake Victoria across Africa to the Mediterranean, and shows why the people of Uganda, the Sudan, and Egypt regard the "Lord of All Rivers" as the symbol of life
Nile River, People, Egypt
video thumbnail
the renaissance (its beginnings in italy) - part 4 of 46. this film, photographed entirely in italy and france, portrays the rise of the renaissance - a period when, starting in italy, europe awoke to a new awareness about man and his surroundings. among - open encyclopedia stock videos & royalty-free footage
00:22
The Renaissance (Its Beginnings in Italy) - part 4 of 46. This film, photographed entirely in Italy and France, portrays the rise of the Renaissance - a period when, starting in Italy, Europe awoke to a new awareness about man and his surroundings. Among
Florence - Italy, Church
video thumbnail
energy for the future - part 10 of 28. constantly growing energy needs, dwindling reserves of fossil fuels, recent fuel shortages, and increasing fuel costs -- such conditions have established a need for new energy sources. this film examines energy alter - open encyclopedia stock videos & royalty-free footage
00:33
Energy for the Future - part 10 of 28. Constantly growing energy needs, dwindling reserves of fossil fuels, recent fuel shortages, and increasing fuel costs -- such conditions have established a need for new energy sources. This film examines energy alter
Nuclear Reactor, Crude Oil
video thumbnail
energy for the future - part 9 of 28. constantly growing energy needs, dwindling reserves of fossil fuels, recent fuel shortages, and increasing fuel costs -- such conditions have established a need for new energy sources. this film examines energy altern - open encyclopedia stock videos & royalty-free footage
00:36
Energy for the Future - part 9 of 28. Constantly growing energy needs, dwindling reserves of fossil fuels, recent fuel shortages, and increasing fuel costs -- such conditions have established a need for new energy sources. This film examines energy altern
Beaker, Laboratory
video thumbnail
dinosaurs: the age of the terrible lizards - part 1 of 40. here's a humorous, animated, but thoroughly factual account of the dinosaur age. the narration presents pertinent information on major types of dinosaurs, behavior characteristics, and evolutionar - open encyclopedia stock videos & royalty-free footage
00:21
Dinosaurs: The Age of the Terrible Lizards - part 1 of 40. Here's a humorous, animated, but thoroughly factual account of the Dinosaur Age. The narration presents pertinent information on major types of dinosaurs, behavior characteristics, and evolutionar
Science, Psychedelic, 1970-1979
PREVIOUSof3NEXT