Trees: In Summer
Picture Collections
9 images showing some scenes with coniferous and deciduous trees in the summer
Trees: In Winter
Picture Collections
10 images of various winter scenes showing some coniferous and deciduous trees in snowy conditions
Vegetables
Picture Collections
14 images of some plants such as carrots, cabbage and leeks whose roots, stems or leaves are used for food
Weather: Cirrus Clouds
Picture Collections
5 images of cirrus clouds that are wispy or feather-like clouds at high level, made of ice crystals and may indicate an approaching storm
Weather: Conditions
Picture Collections
11 images that illustrate some daily weather conditions such as cold, hot and windy
The Water Cycle
Picture Collections
1 diagram illustrating the water cycle
Structures: Statues And Towers
Picture Collections
8 images including the Statue of Liberty and various towers from around the world such as the Eiffel Tower, CN Tower and Xi'an Bell Tower
Sun: Sunrise
Picture Collections
5 images of scenes showing various sunrises
Simple Machines: Inclined Planes
Picture Collections
5 images of examples where inclined planes are used to help lift or move objects such as ramps for accessibility or entertainment
Simple Machines: Levers
Picture Collections
6 images of some objects such as tweezers, scissors and wheel barrows that use the lever principle to create movement for a specific purpose
Simple Machines: Pulleys
Picture Collections
6 images of some objects such as in fitness equipment which use wheels with grooves in their rims called pulleys for movement
Simple Machines: Screws
Picture Collections
5 images of some objects such as corkscrews that have a mechanism of an inclined plane wrapped around a cylinder to create movement
Simple Machines: Wedges
Picture Collections
6 images of some tools such as axes and spikes that are inclined planes and used to help push objects apart
Simple Machines: Wheels And Axles
Picture Collections
6 images of some objects such as ferris wheels and skate boards with wheel and axle mechanisms that create rotary movement