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عرض 1021–1035 من أصل 2205 نتائج
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Electrostatics Kit 1
Electrostatics Kit 1 includes materials for over 10 activities on electrostatic based topics. The kit comes in a heavy duty carry-case for ease of storage. A full manual with detailed activities for both the teacher and the student is included.
Experiments topics include:
Electrostatics with rods and cloth
Charge distribution on an object
Types of charges
Comparing magnetic and electrostatic forces
Electroscope
Insulator versus conductor
Charging by induction and conduction
Electrophorus
Coulomb’s law
Charge inside a conductor
Faraday’s ice pailSKU: SKES01 - Uncategorized
Embryonic Development (Period Of Gestation)
A set of nine detailed models, mounted on stands, showing the following stages:
1. An Embryo About 6 Days Old, Considerably Enlarged.
2. Uterus With The Embryo In 1st Month Of Gestation.
3. Uterus With The Embryo In 3rd Month Of Gestation.
4. Uterus With Foetus In 4th Month.
5. Uterus With Foetus, Placenta And Umbilicle Cord.
6. Uterus With Foetus In 5th Month.
7. Uterus With Foetus In 7th Month Of Pregnancy.
8. Uterus With Foetus In 8th Month Of Pregnancy.
9. Uterus With Foetus In 9th Month Of Pregnancy.
Complete With Key Cards.SKU: B12320 - Uncategorized
Emitting Diode (LED’s)
Bridge rectifier is designed with four LEDs internally arranged in bridge pattern fitted inside a plastic moulded case. Two LED’s are red and two LED’s are green. This device is used to demonstrate the functioning of a bridge rectifier, i.e., to convert alternating current (AC) into direct current (DC). Two yellow sockets are used for AC input. Two sockets, one red and one black, are used for DC output. For the easy understanding of the internal circuitry, the circuit diagram is printed on the box.
SKU: PH92354 - Uncategorized
Energy Conversion Kit
Energy conversion kit is used to demonstrate the energy conversion between different (solar, mechanical, electrical etc.) forms of energy. It is very easy to work with. It is mounted on a solid plastic board provided with an ON / OFF switch, a solar cell, battery holder and crank hand. 4 mm sockets are provided for the output.
Additional Accessories Included:
* 2 C batteries
* An electromagnet
* A Buzzer
* A Motor with fan
* LED
* ResistorSKU: PH20448 - Uncategorized
Event Timerمؤقت
A compact and versatile timer featuring a 5-digit, 7- segment LED display. Ideal for use with apparatus such as g by free fall and other apparatus where manual timing is required. Maximum time measurement up to 9999.9 seconds, maximum resolution 0.0001s.
مؤقت مضغوط ومتعدد الاستخدامات يتميز بشاشة LED مكونة من 5 أرقام و 7 أجزاء. مثالي للاستخدام مع أجهزة مثل "g by free" والأجهزة الأخرى التي تتطلب التوقيت اليدوي. أقصى قياس للوقت يصل إلى 9999.9 ثانية ، وأقصى دقة 0.0001 ثانية.SKU: PH10557 - Uncategorized
Extraction Thimbles
Cellulose and glass microfiber extraction thimbles are known for their purity and cosistent high quality. The thimbles are widely used in Soxhlet extraction units, providing a safe, convenient, and efficient method of solvent extraction of solids and semi-solids. Soxhlet extraction is a widely used techique for the analysis of fats or pesticides in foods and soil materials as well as many other procedures that involve a solid liquid extraction.
SKU: CH11014
