Name __________________________
Date_____________
Period ____
Alka-Seltzer Lab
Instructions: Working in a group, you will design and test an
experiment. Make sure ALL questions with blanks are answered to
receive full credit. Each individual is responsible for writing
Question:
What liquid will make an Alka Seltzer tablet dissolve the fastest?
Variables:
Tap Water, Warm Water, Salt Water, Acidic (vinegar) water
Which is the control? _______________________________________
What is the independent variable? ___________________________________________
What is the dependent variable (the thing you will be measuring)?
________________________________________________________________________
Hypothesis
Use the independent variable and dependent variable to create the hypothesis.
If __________________________________ then ___________________________________.
Design and Conduct your Experiment
A) Will you use a whole tablet or half a tablet of Alka-Seltzer?
___________________________________________________________
B) How will you measure how quickly it dissolves?
___________________________________________________________
C) How much water will you place in your beakers?
___________________________________________________________
Procedure-Write the steps that you will follow (include measurements)
Step 1_______________________________________________________________________________________
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Step 2_______________________________________________________________________________________
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Step 3___________________________________________________________________________________________
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Step 4___________________________________________________________________________________________
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Step 5
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Step 6
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Step 7
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Step 8
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Step 9
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Step 10
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Record your results
Type of water
Tap (cold) water
Warm water
Salt Water
Vinegar water
Dissolve time
Graph your resulting
Draw Conclusions- In a complete sentence, answer your experimental question by
summarizing the data. Go back to your original hypothesis, does the data confirm or reject
your hypothesis?_______________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
Name __________________________
Date_____________
Period ____
Laboratorio Alka-Seltzer
Instrucciones: Trabajando en grupo, diseñarás y probarás un
experimento. Asegúrese de que TODAS las preguntas con
espacios en blanco sean respondidas para recibir crédito
completo.
Pregunta:
¿Qué líquido hará que una tableta Alka Seltzer se disuelva más rápido?
Variables:
Agua del grifo, agua caliente, agua salada, agua ácida (vinagre)
¿Cuál es el control? _____________________________________
¿Qué es la variable independiente? ________________________________________
¿Cuál es la variable dependiente (lo que va a medir)?
_____________________________________________________
Hipótesis
Use la variable independiente y la variable dependiente para crear la hipótesis.
Si _____________________________ entonces ______________________________.
Diseña y realiza tu experimento
A) ¿Usarás una tableta entera o media tableta de Alka-Seltzer?
___________________________________________________________
B) ¿Cómo va a medir qué tan rápido se disuelve?
___________________________________________________________
C) ¿Cuánta agua colocarás en tus beakers?
___________________________________________________________
Procedure/Procedimiento- Escribe los pasos que vas a seguir (importante incluir las medidas).
Step 1- Paso 1
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Step 2_______________________________________________________________________________________
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Step 3___________________________________________________________________________________________
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Step 4___________________________________________________________________________________________
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Step 5
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Step 6
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Step 7
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Step 8
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Step 9
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Step 10
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Record your results/ Anote tus resultados
Type of water/
Tipo de agua
Dissolve time
Tiempo para
disolver
Tap (cold) water/
Agua del grifo
Warm water/
agua caliente
Salt Water
Agua salada
Vinegar water/
Agua de vinagre
Graph your resulting / Grafique tus resultados
Sacar ConclusionesEn una oración complete, conteste la pregunta del experimento. Provee un resumen de
los datos. ¿Confirmaste o rechazaste tu hipótesis original?
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