Resources by Catalyst
Displaying 411 - 420 of 568
Physics Connections
A Catalyst article about the International Year of Physics, in 2005, also known as Einstein Year. In the century since Einstein’s “annus mirabilis”, when he developed his theory of relativity there has been a revolution in the study of physics. This article explores the links between some of the architects of this...
Phytoplasmas - Friend or Foe?
A Catalyst article about phytoplasmas which are micro-organisms that affect crop plants modifying their growth. The article looks at the damage that they can inflict on crops which in turn can cause famine. Botanists are seeking to counter the effects of phytoplasma disease and the article looks at laboratory...
Plant Responses
This Catalyst article explains how scientists came to understand plants' sensitivity to external stimuli and their ability to move. Mimosa pudica...
Plants and Mineral Nutrients
A Catalyst article looking at the chemicals that are in plants and trees and the role they play in the life of the plant. Starting with photosynthesis the article moves onto naturally occurring chemicals and explains why plants need fertilisers. Growing salad crops hydroponically is also examined.
This...
Plants and Soil Nutrients
A Catalyst article looking at how plants develop large surface areas both in the air (leaves) and in the soil (root hairs) to get all they need from the environment. The article explores the relationship between plants and soil and looks at new research on fungi in soil and their involvement with the mineral...
Plasma Prominences and Cosmic Rays
A Catalyst article about the use of remote telescopes and detecting cosmic rays. Giant telescopes that can be operated remotely are located in Hawaii and Australia and are known as the Faulkes telescopes.
These are available to students in the UK to do original research with, and enable the following...
Plastics Forever?
A Catalyst article discussing how polymers affect every day of people’s lives. With diverse characteristics and applications their usefulness can only be limited by human imagination. Due to polymers’ widespread and varied use a responsible and systematic recycling programme is both economically and environmentally...
Plastics: an Insoluble Problem
A Catalyst article about the problems of recycling plastics. The article looks at novel uses for products made from recycled plastics. It also looks at the make-up of polymers and the history of their manufacture. Finally, alternatives to plastics are examined.
This article is from Catalyst: GCSE Science...
Postgraduate life
This Catalyst article is about Emily Beardon, a postgraduate student. Here, she explains how she became a research student and describes a typical day in the lab.
...Predator and Prey - Try This
A Catalyst article about experimenting with waterboatmen and observing how they catch their prey. The equipment required for the activity is described.
This article is from Catalyst: GCSE Science Review 2006, Volume 16, Issue 4.
Catalyst ...