Jolly Rancher Lab Review

Jolly Rancher Lab Review

​Procedure

• ​50 milliliters of HOT water

• ​50 milliliters of COLD water

• ​1 jolly rancher in each

• ​Measure the length of the Jolly Rancher at the beginning, after 10 minutes, and after 20 minutes

• ​Which liquid dissolved the Jolly Rancher the fastest/more?

Multiple Select

What are some variables we should have kept the same to make it a fair test?

• The amount of water

• The color of the Jolly Rancher

• The temperature of the water

• The length of the Jolly Rancher

​Constant Variables

​These are the variables we should have kept the same on purpose, to make it a fair test:

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​Amount of water

​Beakers

​Color of the Jolly Ranchers

​Location

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​Did you think of others??

Multiple Choice

What were we TESTING, or changing on purpose to see what would happen, in the Jolly Rancher lab?

• Amount of water

• Length of Jolly Rancher

• Flavor of Jolly Rancher

• Temperature of Water

Independent Variable

​The variable we change on purpose to TEST what will happen is called the INDEPENDENT variable.

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​The only thing we changed on purpose in the Jolly Rancher lab was the TEMPERATURE of the water

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​HOT vs. COLD

Multiple Choice

What did we measure and collect data on in the Jolly Rancher Lab?

• Length of the Jolly Rancher

• Temperature of the water

• Amount of water

• Flavor of Jolly Rancher

​Dependent Variable

​The variable we are watching, observing, measuring, and collecting data on.

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​In the Jolly Rancher lab we measured and collected data on the LENGTH OF THE JOLLY RANCHER.

Open Ended

What are some words that describe an INDEPENDENT variable?

​Independent

• ​Testing

• ​Change on Purpose

• ​Make different

• ​Cause

Open Ended

What are some words that describe an DEPENDENT variable?

​Dependent

• ​Effect

• ​Outcome

• ​DATA

• ​Watching

• ​Observing

• ​Measure

• ​Counting

Fill in the Blanks

​Constant

​We keep all variables other than the independent variable the SAME, or constant so we can be sure it is the independent variable causing something to happen!

​Scientific Question

​A scientific question ALWAYS has the word AFFECT in it, and includes both the independent and dependent variables.

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​For example, in the Jolly Rancher Lab, we were testing the question:

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​"Does the temperature of the water AFFECT the length of the Jolly Rancher?"

​Hypothesis

​Before we begin an experiment, scientists always make a hypothesis.

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​A hypothesis is an EDUCATED GUESS as to what you think will happen in the experiment.

Open Ended

What was your hypothesis in the Jolly Rancher Lab?