Resources
Details of this challenging experiment were published in this leaflet from the Unilever Laboratory Experiment in 1965. Requirements included a pyrophoric nickel catalyst supplied by Unilever, hydrogen from a cylinder and a vegetable oil treated with activated charcoal to remove impurities. The necessary apparatus...
Hydroponics
This practical activity outlines how to grow plants hydroponically in the classroom. It aims to give students an understanding of the basic growth needs of plants. It also shows how hydroponics can be utilised to provide food to humans as our population expands.
This technique can be expanded in a number of...

Get a 360° view of growing plants from the roots up! Unique, transparent seed baskets provide a view of seedlings growing both up and down. Water in the plastic tubes creates an...
Hygiene
From the British Nutrition Foundation, in partnership with the Agriculture and Horticulture Development Board (AHDB...
Hygiene and Safety
This Licence to Cook face-to-face session is designed to accompany Protecting 1 and Protecting 2 tutorials. The first presentations goes into detail about the important area of cooking safely, including how to prepare, cook and store food...

Handheld toy that comes to life when spun. The spinning beads create a mesmorising infinity symbol.
Hyper-parabola
A hyperbola is given with a parabola ax2 touching each branch of the hyperbola at single points. The task is to determine the value of a.
A formal proof of the general situation involves substituting the equation of the parabola into the equation of the hyperbola. The...
Hyperbola
This program begins with graphs of the hyperbola in the form x2/a...
Hyperbolic Geometry
Carom Maths provides this resource for teachers and students of A Level mathematics.
This presentation introduces Euclid's axioms and theorems and provides historic information on the development of geometric principles, as well as discussing hyperbolic geometry. A link to Non-Euclid software, from Joel...