A demonstration of the key points of the required practical to investigate osmosis in plant tissue for GCSE biology and combined science. Investigate the effect of pH on enzyme activity.

Bitesize also has lots of general AQA biology test pages, including: Exam practice quizzes based on GCSE biology past papers. Quick-fire quizzes with different GCSE biology questions each time you ...

Scientific American maintains a strict policy of editorial independence in reporting developments in science to our readers.

Impact and progress Frontiers' impact Progress Report 2022 All progress reports ...

“All of our teachers will be required to take the U.S. Naturalization test to ensure that they understand the basics of America, American history, American government and civics,” said State ...

Feb. 4, 2025 — Is it better to work in large groups? Smaller ones? With other people who are similar or different? New research offers insight into these questions -- and some of the results are ...

In order to make the operation of robotic lawnmowers hedgehog-safe, researchers are developing special hedgehog dummies and standardized tests to ... at which topical practical problems in the ...

Mandatory vehicle safety inspections are no longer required for many drivers, but some local counties still require an emissions test. Emissions tests are required in major metropolitan areas ...

Although the All-Clad is a larger loaf pan, it made the best loaves in each test regardless of its composition ... Pans that were too fragile or required extra care lost points because quick ...

A new government proposal to display nutritional labels on the front of food packaging is aimed at helping Americans make more informed choices about what they eat. An eventual side effect ...