Investigating Chemistry through Inquiry - Print and E-Book
CHF 120.20*
Contenuto:
1 Stück
tempi di consegna: generalmente circa 3 settimane
Codice prodotto:
CHEM-I
Info sui prodotti "Investigating Chemistry through Inquiry - Print and E-Book"
The Investigating Chemistry through Inquiry lab book contains 25 inquiry-based chemistry investigations. The book is authored by two long-time chemistry teachers, Donald L. Volz and Ray Smola, who have enjoyed using the inquiry method in their own instruction.
Each experiment includes a preliminary activity, teacher information, sample researchable questions, and sample data for those researchable questions. If you are new to inquiry-based instruction, the extensive Instructor Sections that are included with each investigation will help guide you through the inquiry-based style of chemistry instruction.
Included with Investigating Chemistry through Inquiry
Electronic Version
- 25 inquiry-based, chemistry investigations
- Access to up-to-date versions of the experiments
- Essential teacher information for successful inquiry investigations
- Suggested researchable questions, sample data, and graphs
- A generous site license—buy one book and duplicate the labs for your class
- Word-processing files of the student experiments, so you can edit the files to match your teaching preferences
Printed Lab Book
When you buy the printed lab book you receive all of the resources listed for the electronic version, plus a printed copy of the book.
| Bildungsstufe: | Scuola media, Scuole medie superiori e professionali |
|---|---|
| Fach: | Vernier, chimica |
| lingua: | inglese |
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Accessory Items
Go Direct™ ORP Sensor
CHF 283.30*
The Go Direct ORP (Oxidation-Reduction Potential) Sensor measures the ability of a solution to act as an oxidizing or reducing agent. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.
Use the Go Direct ORP Sensor to measure the ability of a solution to act as an oxidizing agent and to quantify ion activity. This sensor measures the capacity of a solution to either release or accept electrons from chemical reactions.
This sensor is comprised of an ORP electrode connected to a Go Direct Electrode Amplifier via a BNC connector. This design enables you to use the Go Direct Electrode Amplifier with other Vernier electrodes, such as the pH Electrode, Flat pH Electrode, ORP Electrode, ISE electrode, or a third-party electrode.
The Go Direct ORP Sensor can be used in a variety of experiments:
Determine the equivalence point of an oxidation-reduction titration.
Measure the oxidizing ability of chlorine in swimming pools.
Investigate the ORP of drinking water.
Specifications:
ORP Electrode
Type: Sealed, gel-filled, epoxy body, Ag/AgCl reference
Storage solution: pH-4/KCl solution (10 g KCl in 100 mL buffer pH-4 solution)
ORP element: 99% pure platinum band sealed on a glass stem
Temperature range:
0 to 60°C
12 mm OD
Impedance: ~20 kΩ at 25ºC
Electrode Amplifier
Units: mV
Input range: ±1000 mV
Connections:
Wireless: Bluetooth
Wired: USB
Included:
Go Direct ORP (includes Go Direct Electrode Amplifier)
Micro USB Cable
Go Direct™ Radiation Monitor
CHF 507.60*
Go Direct Radiation Monitor rileva le radiazioni alfa, beta, gamma e raggi X. Si collega direttamente alla piattaforma in modalità wireless tramite Bluetooth® o cablato via USB.
Utilizza il Go Direct Radiation Monitor per analizzare le statistiche delle radiazioni, misurare la velocità di decadimento nucleare e monitorare la progenie del radon. Questo sensore di facile utilizzo è costituito da un tubo Geiger-Mueller montato in una piccola e robusta custodia di plastica. Una sottile finestra protetta da uno schermo metallico consente di rilevare le radiazioni alfa, beta e gamma. Ogni nuovo rilevamento è segnalato da un indicatore LED rosso lampeggiante e può anche essere accompagnato da un segnale audio opzionale.
Il Go Direct Radiation Monitor può essere utilizzato in una varietà di esperimenti:
Determinare il tempo di dimezzamento di un isotopo.
Indagare sulla schermatura contro le radiazioni.
Rilevare le sorgenti di radiazioni di fondo.
Specifiche:
Sensore: tubo GM temprato alogeno LND 712 (o equivalente) con finestra terminale mica, spessore da 1,5 a 2,0 mg/cm2
Sensibile alle radiazioni alfa, beta, gamma e raggi X
Alimentato da batteria ricaricabile da 300 mAh, ricaricabile tramite cavo USB
LED rosso lampeggia sul rilevamento di radiazioni
Segnale audio opzionale sul rilevamento delle radiazioni
Collegamenti:
Wireless: Bluetooth
Cablato: USB
Inclusi:
Vai Monitor diretto delle radiazioni
Cavo micro USB
Colorimeter
CHF 305.80*
The Colorimeter is great for Beer’s law experiments, determining the concentration of unknown solutions, or studying changes in concentration vs. time.
This 4-wavelength Colorimeter measures the amount of light transmitted through a sample at a user-selectable wavelength in order to determine the concentration of a solution. Features such as automatic sensor identification and one-step calibration make this sensor easy to use.
Range:0 to 3 (absorbance)
Useful Range:0.05 to 1.0 (absorbance)90% to 10% transmittance (%T)
Wavelengths:430 nm, 470 nm, 565 nm, 635 nm
User manual
Conductivity Probe
CHF 297.60*
The Conductivity Probe determines the ionic content of an aqueous solution by measuring its conductivity.
The Conductivity Probe has three ranges, providing optimal precision in any given range. Biology teachers can use this probe to demonstrate diffusion of ions through membranes. Chemistry students are able to quickly investigate the difference between ionic and molecular compounds, strong and weak acids, or ionic compounds that yield different ratios of ions. Environmental science students use it to measure TDS, total dissolved solids.
Range:
Low Range: 0 to 200 μS/cm (0 to 100 mg/L TDS)
Mid Range: 0 to 2000 μS/cm (0 to 1000 mg/L TDS)
High Range: 0 to 20,000 μS/cm (0 to 10,000 mg/L TDS)
Typical Resolution:
Low Range: 0.1 μS/cm (0.05 mg/L TDS)
Mid Range: 1 μS/cm (0.5 mg/L TDS)
High Range 10 μS/cm (5 mg/L TDS)
Accuracy using factory calibration:
±8% of full-scale reading for low range
±3% of full-scale reading for mid range
±4% of full-scale reading for high range
Accuracy using custom calibration: ±2% of full-scale reading for each range
Response Time: 98% of full-scale reading in 5 seconds, 100% of full-scale in 15 seconds
Temperature Compensation: automatic from 5 to 35 °C
Temperature Range (can be placed in): 0 to 80 °C
Cell Constant: 1.0 cm-1
Description: ABS body, parallel carbon (graphite) electrodes
Dimensions: 12 mm OD and 150 mm length
CON-BTA User manual
ORP Sensor
CHF 285.40*
The Oxidation-Reduction Potential (ORP) Sensor measures the ability of a solution to act as an oxidizing or reducing agent. Use the ORP Sensor to measure the oxidizing ability of chlorine in swimming pools or to determine when the equivalence point has been reached in an oxidation-reduction reaction.
Type:Sealed, gel-filled, epoxy body, Ag/AgCl reference
Storage solution:pH-4/KCl solution (10 g KCl in 100 mL buffer pH-4 solution)
Redox potential range:-450 to +1100 mV
User manual
Stainless Steel Temperature Probe
CHF 87.60*
The Stainless Steel Temperature Probe is a rugged, general-purpose temperature sensor that can be used in organic liquids, salt solutions, acids, and bases. Use it as you would use a thermometer for experiments in chemistry, physics, biology, Earth science, and environmental science.
Temperature range:–40 to 135°C (–40 to 275°F)
Typical Resolution:0.17°C (–40 to 0°C)0.03°C (0 to 40°C)0.1°C (40 to 100°C)0.25°C (100 to 135°C)
Accuracy:±0.2°C at 0°C±0.5°C at 100°C
User manual
Go Direct™ Colorimeter
CHF 303.70*
The 4-wavelength Go Direct Colorimeter measures absorbance or transmittance of a liquid sample. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.
Use this sensor to explore absorbance and percent transmittance in a variety of experiments including Beer’s law (absorbance vs. concentration) and kinetic studies (concentration vs. time). Students select between four wavelengths (430 nm, 470 nm, 565 nm, 635 nm) to set up their experiment.
Go Direct Colorimeter features one-step calibration for all four wavelengths. It’s as simple as inserting a cuvette of distilled water and pressing the Calibrate button.
Go Direct Colorimeter can be used in a variety of experiments:
Conduct Beer’s law investigations.
Determine the concentration of unknown solutions.
Study changes in concentration vs. time.
Monitor reaction rates.
Specifications
Range: 0 to 3 (absorbance)
Useful range:
0.05 to 1.0 (absorbance)
90% to 10% transmittance (%T)
Wavelengths: 430 nm, 470 nm, 565 nm, 635 nm
Connections:
Wireless: Bluetooth
Wired: USB
Included:
Go Direct Colorimeter
Micro USB Cable
3.5 mL cuvettes (15)
Go Direct™ Gas Pressure Sensor
CHF 242.60*
The Go Direct Gas Pressure Sensor measures the absolute pressure of a gas. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.
Use Go Direct Gas Pressure Sensor to monitor gas pressure in a variety of experiments. It records accurate absolute pressure readings relative to the perfect vacuum reference point inside the sensor, allowing you to go below atmospheric pressure or up to 400 kPa. Easily change the displayed units to any one of seven options (kPa, mmHg, inHg, mbar, psi, atm, torr). Includes a syringe, tubing, and stoppers to ease setup for experiments such as Boyle’s law.
The Go Direct Gas Pressure Sensor can be used in a variety of experiments:
Investigate Boyle’s law and Charles’ law.
Investigate grip strength and muscle fatigue (using Gas Pressure Bulb, not included).
Measure the production of oxygen gas produced when hydrogen peroxide is destroyed by the enzyme catalase.
Monitor plant transpiration.
Specifications:
Range: 0 to 400 kPa
Resolution: 0.03 kPa
Maximum pressure that the sensor can tolerate without permanent damage: 450 kPa
Connections:
Wireless: Bluetooth
Wired: USB
Included:
Vernier Go Direct Gas Pressure Sensor
Tapered valve connectors (2) inserted into a No. 5 stopper
Tapered valve connector (1) inserted into a No. 1 stopper
Two-way valve
18 inch Tygon tubing with Luer Lock connectors
20 mL syringe
White transpiration tubing clamps (2)
Go Direct™ pH Sensor
CHF 242.60*
The Go Direct pH Sensor is a general-purpose pH sensor used to monitor pH of aqueous solutions. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.
The Go Direct pH Sensor is an important and versatile sensor for lab and field activities alike. It gives students the freedom to explore pH without the inconvenience of wires—no more spilled solutions or dangling wires. The Go Direct pH transmits live readings and captures data in real-time.
The Go Direct pH Sensor can be used in a variety of experiments:
Conduct acid-base titrations.
Monitor pH change during chemical reactions.
Test the pH and alkalinity of bodies of water.
Investigate household acids and bases.
This sensor is comprised of a pH electrode connected to a Go Direct Electrode Amplifier via a BNC connector. This design enables you to use the Go Direct Electrode Amplifier with other Vernier electrodes, such as the Flat pH Electrode, ORP Electrode, ISE electrode, or a third-party electrode.
Specification:
pH range: 0–14
Type: Sealed, gel-filled, epoxy body, Ag/AgCl reference
Shaft diameter: 12 mm OD
Storage solution: pH-4/KCl solution (10 g KCl in 100 mL buffer pH-4 solution)
Connections:
Wireless: Bluetooth
Wired: USB
Included:
Go Direct pH (includes Go Direct Electrode Amplifier)
Micro USB Cable
Quick-start guide
Go Direct™ Voltage Probe
CHF 201.80*
The Go Direct Voltage Probe combines a wide input voltage range and high precision, making it an excellent choice for lab investigations of both AC/DC circuits and electromagnetism. Use this differential probe to measure the voltage in simple circuits, to study basic principles of electrochemical cells, or to investigate the resistivity of different metals.
With a range of ±15 V, this system is ideal for use in “battery and bulb” circuits. Go Direct Voltage is capable of kHz sampling and mV resolution, so you can also use it to capture more difficult electric potentials, such as the electromagnetic field induced in a coil by a moving magnet. This single sensor can take the place of several voltmeters in your classroom.
The Go Direct Voltage Probe can be used in a variety of experiments:
Measure potential difference at various places in series and parallel circuits.
Investigate Ohm’s law in simple circuits.
Measure the voltage across a capacitor in RC and RLC circuits.
Explore Faraday’s law and induced EMFs in a coil of wire.
Specification:
Input voltage range: ±15.0 V
Maximum voltage on any input: ±15 V
Typical resolution: 0.5 mV
Power: Internal rechargeable battery or USB connection
Connections:
Wireless: Bluetooth
Wired: USB
Included:
Go Direct Voltage Probe
Micro USB Cable
Gas Pressure Sensor
CHF 244.60*
Use the Gas Pressure Sensor to monitor pressure changes of a gas in chemistry and biology experiments.
The Gas Pressure Sensor can be used to monitor pressure changes in a gas. The range is wide enough to perform Boyle’s law yet it is sensitive enough to conduct vapor-pressure or pressure-temperature experiments. Biology teachers can use the Gas Pressure Sensor to monitor transpiration or respiration in an enclosed environment.
Pressure Range:0 to 210 kPa (0 to 2.1 atm or 0 to 1600 mm Hg)
Accuracy:±4 kPa
User manual
pH Sensor
CHF 254.80*
Utilizzate il sensore di pH proprio come fareste con un pHmetro tradizionale, con i vantaggi aggiuntivi della raccolta automatica dei dati, della creazione di grafici e dell'analisi dei dati.
Le attività tipiche che utilizzano il nostro sensore di pH includono:
Titolazioni acido-base
Studi sugli acidi e le basi per uso domestico
Monitoraggio delle variazioni di pH durante reazioni chimiche o in acquario come risultato della fotosintesi
Indagini sulle piogge acide e sui tamponi
Analisi della qualità delle acque di torrenti e laghi
Se state studiando tamponi Tris o semisolidi di questo tipo, prendete in considerazione il sensore di pH piatto Vernier Tris-Compatible.
Voltage Probe
CHF 30.50*
This Voltage Probe can be used with the Vernier LabPro, LabQuest, LabQuest Mini, Go!Link, Easylink, SensorDAQ and CBL 2 to measure direct voltage.
The Voltage Probe is a bipolar sensor. The black lead is grounded along with the interface, and the sensor reports the potential difference between the red lead and ground. It can be used to measure the potential in DC or AC circuits. You might also consider the Differential Voltage Probe (DVP-BTA). Multiple Differential Voltage Probes can be connected to a circuit without the use of a common grounding terminal.
Input voltage range:± 10 V
User manual
Go Direct™ Temperature Sensor
CHF 161.00*
La sonda di temperatura Go Direct è un robusto sensore di temperatura per uso generale che gli studenti possono utilizzare per monitorare la temperatura. Si collega direttamente alla piattaforma in modalità wireless tramite Bluetooth® o via cavo tramite USB.
La sonda di temperatura Go Direct, robusta e multiuso, offre agli studenti il vantaggio della connettività ovunque e ovunque si lavori. Essendo anche impermeabile, Go Direct Temperature è più durevole dei sensori che sono semplicemente resistenti all'acqua.
A differenza di un termometro tradizionale, Go Direct Temperature consente agli studenti di raccogliere misure di temperatura in tempo reale di un singolo caso o di un periodo di tempo. L'intervallo di temperatura e la funzionalità wireless rendono Go Direct Temperature il sensore ideale per le applicazioni reali.
La sonda Go Direct Temperature può essere utilizzata in una varietà di esperimenti:
Condurre reazioni endotermiche ed esotermiche.
Studiare il congelamento e la fusione dell'acqua.
Misurare il contenuto energetico degli alimenti.
Esaminare l'assorbimento dell'energia radiante.
Monitorare le condizioni ambientali.
Specifiche tecniche:
Intervallo di temperatura: da -40 a 125°C
Intervallo di temperatura di manipolazione: da -10 a 45°C
Precisione: ±0,25°C
Tempo di risposta (tempo per il 90% della lettura): 20 secondi (in acqua, con agitazione)
Connessioni:
Senza fili: Bluetooth
Con cavo: USB
Incluso:
Sensore di temperatura Go Direct
Cavo micro USB
Guida rapida
Go Direct™ Conductivity Probe
CHF 295.60*
The Go Direct Conductivity Probe determines the ionic content of an aqueous solution by measuring its electrical conductivity. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.
Go Direct Conductivity Probe determines the ionic content of an aqueous solution by measuring its electrical conductivity. It features a built-in temperature sensor to simultaneously read conductivity and temperature. Automatic temperature compensation allows students to calibrate the probe in the lab and then make measurements outdoors without temperature changes affecting data. This temperature compensation can be turned off to perform conductivity studies as a function of temperature.
The Go Direct Conductivity Probe has a range of 0 to 20,000 μS/cm to provide optimal precision in any given range. An alternating current at its electrodes prevents polarization and electrolysis, reducing contamination of solutions. Its ABS-body graphite electrode resists the corrosion typical in metal electrodes.
The Go Direct Conductivity Probe can be used in a variety of experiments:
Demonstrate diffusion of ions through membranes.
Investigate the difference between ionic and molecular compounds, strong and weak acids, or ionic compounds that yield different ratios of ions.
Measure Total Dissolved Solids (TDS).
Specifications:
Range: 0 to 20,000 μS/cm (0 to 10,000 mg/L TDS)
Temperature compensation: Automatic from 5 to 35°C, can be turned off
Temperature range (can be placed in): 0 to 80°C
Cell constant: 1.0 cm-1
Description: ABS body, parallel carbon (graphite) electrodes
Dimensions: 12 mm OD and 120 mm length
Connections:
Wireless: Bluetooth
Wired: USB
Included
Go Direct Conductivity Probe
Micro USB Cable
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Electronic Version
14 ready-to-use student experiments
Electronic access to up-to-date versions of the experiments
Instructions for data collection with Vernier Graphical Analysis app with Go Direct sensors. (Does not support data collection with Logger Pro or LabQuest App)
Essential instructor information, including teaching tips, suggested answers, and sample data and graphs
Word-processing files of the student experiments, so you can edit the files to match your teaching preferences
Complete equipment and supplies list
A generous site license—buy one book and duplicate the experiments for your class
Printed Lab Book
When you buy the printed lab book you receive all of the resources listed for the electronic version, plus a printed copy of the book.