ECHS Biology & Biotechnology
with Mrs. Husselstein
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Biology

Warm Ups

Friday

8/31/2018

 
A student wanted to see what would happen if they placed gummy bears in water, soda, and coffee.  The student weighed 4 of the same color gummy bears first.  Then they measured 150 ml of each liquid and placed the  gummy bears in 3 of the same type of container.  The student then weighed each gummy bear after 10 minute intervals 6 times.

1.  Identify the independent, dependent, and control variables.

2.  Write a hypothesis for the student's experiment using an If.....then.... statement.

Thursday

8/30/2018

 
A student is conducting an experiment.  In container 1 they put 25 g of fertilizer, a pea plant, and 200 ml of water.  Container 1 is then placed outside in the sun.  In container 2 they put 50 g of fertilizer, a pea plant, and 200 ml of water.  Container 2 is then placed inside under a light for 24 hours a day.  In container 3 they put 75 g of fertilizer, a pea plant, and 2oo ml of water.  Container 3 is then placed in a closet.  

1.  Identify the independent, dependent, and control variables in the experiment.

2. Do you think this is a good experimental design?  Why or why not?  What could you do differently?

Wednesday

8/29/2018

 
1.  Identify the independent and dependent variables from the following hypothesis:  If more laundry soap is added to the washing machine, then the clothes will be cleaner than if less soap is added.

2.  A student is testing the reaction of vinegar and baking soda.  In container 1 the student adds 1 gram of baking soda to 100 ml of vinegar.  In container 2 the student adds 1.5 grams of baking soda to 100 ml of vinegar.  In container 3 the student adds 2 grams of baking soda to 100 ml of vinegar.  The student records how long a reaction time there is and records it in their notebook.  Identify the independent variable, dependent variable and the control.

Tuesday

8/28/2018

 
Picture
  Analyze the experiment taking place in the above picture, then answer the following questions.
1.  What  are the controls?

2. What is the independent variable?

Monday

8/27/2018

 
The experiment:  There are two plants of the same type and age.  One is placed for 20 days on a window sill.  The other is placed in a closet for 20 days.  You will measure the length of the plants once a week and describe whether it looks healthy (green and sturdy), each plant will get the same amount of water throughout the experiment. 
​
1. What is the independent variable?

2.  What is the dependent variable?

Friday

8/24/2018

 
1.  What is the difference between a hypothesis and a theory?

2.  How was your first week of school?  What did you like/not like?

Thursday, 8/23/2018

8/23/2018

 
1.  Give an example of qualitative data.

2.  Give an example of quantitative data.

Wednesday, 8/22/2018

8/22/2018

 
Picture
1.  Write two observations about this image.

2.  Make a prediction about what is happening.

Tuesday

8/21/2018

 
1.  Tell me one fact about the scientific method?

2.  What type of experiments have you performed?

Monday, 8/20/2018

8/20/2018

 
1.  Are you familiar with google classroom? If so, how or when did you use it?

​2.  Tell me one fact you know about science or biology.

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    Mrs. Husselstein

    Biology Warm-Up questions. Please write your answers in the Warm-Up document provided weekly on Google Classroom.

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