Frederiksen
Showing 226–240 of 656 results
-
Physics
Gas model with piston
In conjunction with 218500 Electromagnetic vibrator, the steel balls illustrate molecules in different states.The steel balls in motion represent gas molecules which lift a plastic piston due to repeated collisions.The model is supplied with piston, balls and a support for placing the apparatus on an overhead projector.Can be used to demonstrate gas states, Brownian motion and the boiling of a liquid.Excludes Electromagnetic vibrator.
SKU: FR-218555 -
Physics
Gear motor with winding shaft
This gear motor is used together with the conical pendulum FR-207010 and is driven by an adjustable DC motor (max. 12 V). It has a built-in 21:1 gearing that ensures a stable and slow walk. The motor is equipped with a removable winding shaft. Thus, it can also be used via a thread to create a slow and linear movement.
SKU: FR-202555 -
Earth Science
Geology field kit
The Carolina Geology Field Kit supports field work in geology. The kit contains all the necessary tools for identifying and analyzing minerals and rocks. The kit includes a waterproof case, porcelain plate for testing streak color, a glass plate, a plastic piece, a copper coin and nail for hardness determination, a laminated hardness scale, a magnet, a magnifying glass and a dropper bottle for hydrochloric acid (note, hydrochloric acid is not included). In addition, the kit includes an English manual and a notebook for recording field observations.
SKU: FR-768281 -
Physics
Geometric shapes, set of 8 pieces
Geometric figures with removable ‘surfaces’. The set consists of 8 different geometric figures made of transparent plastic. Each figure can be opened and a colored, fold-out plastic part representing the figure’s surface can be removed. The set illustrates the relationship between a figure’s volume and surface area in a tangible and highly visible way.
SKU: FR-190600 -
Biology
Glitterbug Fluorescent disclosing lotion, 240 mL
Are the hands clean after washing?
Let the students apply fluorescent cream around their hands before they are washed and held under UV light. Where the soap has not been rubbed in properly, the UV light will reveal bright, blue fluorescent spots. 240 ml in tube.
SKU: FR-086100
