Instructional Video14:59
Australian Broadcasting Corporation

Our Earth - How Old Is It?

9th - 12th
Geology as science begins with the industrial revolution in England. For the first time rock strata are studied and compared and an amazing conclusion is drawn. Earth is unbelievably old.
Stock Footage0:25
Getty Images

Open-pit mining

Pre-K - Higher Ed
Open-pit mining
Stock Footage0:21
Getty Images

(Timelapse) Bucket wheel excavator

Pre-K - Higher Ed
(Timelapse) Bucket wheel excavator
Stock Footage0:29
Getty Images

Bucket wheel excavator

Pre-K - Higher Ed
Bucket wheel excavator
Stock Footage0:27
Getty Images

Chamois walking on the edge HD

Pre-K - Higher Ed
Chamois in a vertical wall walking on tiny stratas of rocks that are falling during the walk.
Stock Footage0:26
Getty Images

Chamois walking on the edge HD

Pre-K - Higher Ed
Chamois in a vertical wall walking on tiny stratas of rocks that are falling during the walk.
Stock Footage0:13
Getty Images

Tilt Up Shot Strata London Zoo United Kingdom

Pre-K - Higher Ed
Tilt Up Shot Strata London Zoo United Kingdom
Stock Footage0:15
Getty Images

Tilt Down Shot Strata London Zoo United Kingdom

Pre-K - Higher Ed
Tilt Down Shot Strata London Zoo United Kingdom
Stock Footage0:12
Getty Images

AERIAL WS Cliffs along coast / Sines, Setubal, Portugal

Pre-K - Higher Ed
AERIAL WS Cliffs along coast / Sines, Setubal, Portugal
Stock Footage0:44
Getty Images

AERIAL WS Cliffs along coast / Sines, Setubal, Portugal

Pre-K - Higher Ed
AERIAL WS Cliffs along coast / Sines, Setubal, Portugal
Stock Footage0:24
Getty Images

Calm waves splash on rocky shore

Pre-K - Higher Ed
Calm waves splash on rocky shore
Stock Footage0:23
Getty Images

Calm waves splash on rocky shore

Pre-K - Higher Ed
Calm waves splash on rocky shore
Stock Footage0:22
Getty Images

Calm waves splash on rocky shore

Pre-K - Higher Ed
Calm waves splash on rocky shore
Stock Footage0:30
Getty Images

Time Lapse of Cedar Breaks National Monument

Pre-K - Higher Ed
Time Lapse of Cedar Breaks National Monument
Stock Footage0:27
Getty Images

Calm waves splash on rocky shore

Pre-K - Higher Ed
Calm waves splash on rocky shore
Stock Footage0:24
Getty Images

Calm waves splash on rocky shore

Pre-K - Higher Ed
Calm waves splash on rocky shore
Stock Footage0:21
Getty Images

Calm waves splash on rocky shore

Pre-K - Higher Ed
Calm waves splash on rocky shore
Stock Footage0:15
Getty Images

Clouds moving over Monument Valley, U.S.A.

Pre-K - Higher Ed
Clouds moving over Monument Valley, U.S.A.
Stock Footage0:40
Getty Images

Clouds moving over Monument Valley, U.S.A.

Pre-K - Higher Ed
Clouds moving over Monument Valley, U.S.A.
Stock Footage0:40
Getty Images

Wind blow sand in Monument Valley, U.S.A.

Pre-K - Higher Ed
Wind blow sand in Monument Valley, U.S.A.