Question

channing and ian were wondering, what type of soda leaves the darkest stains on peoples teeth? they decided to test out this question by getting a sprite, crush, and dr. pepper to use as their sodas. instead of having people actually drink them, they used three eggs to simulate tooth enamel. they took each egg and placed it in a cup in one of the sodas. they monitored each egg once a day for a week and then compared their results.

1. what is the independent variable?
2. what is the dependent variable?
3. list 2 constants for the experiment.

Explanation:

1. Independent variable

El factor que los investigadores controlan o cambian. En este caso, es el tipo de soda (Sprite, Crush, Dr. Pepper).

2. Dependent variable

El factor que se mide como resultado del cambio en la variable independiente. Aquí, es la oscuridad de las manchas en los "dientes" (huevos).

3. Constantes

• Número de huevos (3).
• Tiempo de monitoreo (1 semana, 1 vez al día).
• Contenedores (vasos).

Answer:

1. Tipo de soda (Sprite, Crush, Dr. Pepper).
2. Oscuridad de las manchas en los huevos.
3. - 3 huevos. - 1 semana de monitoreo. - Vasos como contenedores.