DIESEL TANKER TRUCKELECTRIC CARSFIND OUT MOREVehicles use engines of different kinds to move people and cargo from place to place. Most cars and motorbikes have petrol engines, but vans and…
HOW ROCKS ARE FORMEDFIND OUT MOREThe rocks under our feet seem permanent, but they are constantly being changed. This process is called the rock cycle. Rocks exposed on the Earth’s surface…
INSIDE A SEEDSPREADING WITHOUT SEEDSGERMINATION OF A RUNNER BEANFRUITSFIND OUT MOREMost plants grow from seeds. These seed plants fall into two groups, angiosperms and gymnosperms. Angiosperms…
ANCIENT HORSETAILSFERN REPRODUCTIONFERN FRONDSMOSS REPRODUCTIONSPOREPEAT MOSSESFIND OUT MOREFerns, horsetails, mosses, and liverworts do not produce flowers or grow from seeds. The life cycles…
DECANTING GOLDDISTILLATIONFILTRATIONCHROMATOGRAPHYFIND OUT MOREThe substances in a mixture are separated by the differences in their physical properties, such as their particle size. The more…
THE HUMAN SKELETON BONES JOINTS FIND OUT MORE
The body is supported and its internal parts protected by a strong yet flexible framework of BONES called the skeleton. These bones meet at…
THE BIRTH OF THE SOLAR SYSTEMPLANETSMOONSOur tiny corner of the Universe is dominated by a star we call the Sun. Trapped in the gravity of the Sun is a huge family of bodies – PLANETS…
FROM RECORDING TO PLAYBACKMICROPHONECASSETTE TAPEMAKING A MASTER COMPACT DISK (CD)DIGITAL SOUNDFIND OUT MOREMost sounds happen only briefly and are then lost to us. Fortunately, there are two…
ELECTROMAGNETIC WAVESCOMPTON GAMMA RAY OBSERVATORYCHANDRA X-RAY OBSERVATORYSOHO’S SUNWATCHSPITZER OBSERVATORYHUBBLE SPACE TELESCOPEFIND OUT MOREHigh above the Earth’s atmosphere, space…
SKYLAB IN ORBITMISSION TO MIR, 1995INTERNATIONAL SPACE STATIONFIND OUT MOREA space station is a spacecraft designed to stay in orbit for many years. Conditions inside are carefully controlled:…
