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Easy and Fun Biology Projects You Can Do with 6th Through 8th Graders

Mar 12, 2018 12:00 AM

Biology is one of the most exciting branches of science, and it is one that kids will find fascinating. But, some students aren't as enthusiastic about science as other kids. This is where educators are challenged to find projects that will motivate and appeal to the entire class.

To help you out, here are some excellent activities that are sure to keep your class engaged in the learning process.

Make a Copy of Your Fingerprints - Fingerprints are one of the unique physical characteristics each person has. Did you know that primates have fingerprints as well, and some monkeys even have prints on their tails? How interesting is that! The materials you'll need for this project are:

· Magnifying glass

· Crime story to solve

· White copy paper

· #2 lead pencils

· Scotch tape, clear

· Chart of fingerprints

· Pencil sharpener with your fingerprints on it


1. Draft a brief scenario about a crime that involves a suspect (you, the teacher) who left fingerprints on the pencil sharpener.

2. After the kids put their names on their paper, have them smear the lead on one of their fingers.

3. Then, place the scotch tape over the shaded finger and carefully put the tape onto the paper.

4. Be sure that the tape doesn't smudge or else the fingerprint will be blurry, and you will need to repeat the process.

5. Once all of the pupils have their fingerprints on the pieces of paper, they can begin to compare them to the prints that are on the pencil sharpener.

6. This is where the magnifying glass will come in handy.

7. Don't forget to let the kids check your fingerprints as this will help them solve the “crime.”

To find the fingerprint chart that accompanies this project, visit ( Other variations for this project include learning if fingerprints correspond with toeprints, if twins have identical fingerprints, or if family members have prints that are similar.

Does Eating Dark Chocolate Make You Smarter? – Science has already proven that eating dark chocolate has health benefits, but can it help your kids perform better on a test? Before you begin this experiment, ask your class what they think and have them form a hypothesis. Then, when the investigation is complete, they can check to see how accurate their guess was. You will need the following objects for your research:

· Dark chocolate, about 60% should be good; otherwise if you buy a higher percentage, it may be too bitter for the kids

· Mind games - crossword puzzles, Sudoku, multiplication/division “quiz.”

· Printer

· Computer

· Notebook

· Timer


1. Separate the class into 2 groups. The first group will take the tests without eating the dark chocolate, and the other group will eat the chocolate.

2. Give Group 1, 3 pieces of dark chocolate about 15 minutes before they take the “quiz.”

3. Distribute various mental “quizzes” to your class. Be sure to let them know that this does not count as a test grade, but this could be a good incentive for your pupils to receive extra credit. (You will pass out the second set but be sure that each student receives a different version of the same “quiz.”)

4. Give all the kids the same amount of time to complete the games as much as possible. Fifteen minutes is ample time.

5. On the following day, give Group 2 the same amount of chocolate as Group 1 and repeat the process. Don’t forget to hand out the 2nd version of the “quizzes” and to set the timer for 15 minutes.

6. Analyze the “quiz” results. Which group performed the best, those who ate dark chocolate before taking the “quiz,” or the students that didn’t?

If you want to include math with this project, you may opt to have the students create a graph, or chart. They could measure the percentages of the “quiz” scores.

How to Find the DNA of Strawberries – DNA, is the abbreviation for Deoxyribonucleic Acid and it is the only molecule that can reproduce itself. A person’s DNA is what makes us

unique and what gives us our physical features, as well as our personality and mannerisms. For this project, you will need:

· ½ cup water

· 2 clear plastic cups

· Paper towels

· A plastic bag

· 3 unripe strawberries

· 3 ripe strawberries

· 3 overripe strawberries

· Measuring spoon – 1 tsp.

· Measuring cup – 1 cup

· A coffee filter

· 1/3 cup rubbing alcohol

· 2 tsp. dish detergent

· 2 tsp. salt

· Wooden popsicle stick

For detailed step-by-step instructions to this project, please visit (

Kids love being involved in their learning process. Not only does it make their experience meaningful, but it also helps them be responsible for their learning experience. School can be difficult for some kids, including them in these activities is a great way to make memories with your students, as well as encourage them in general.

Looking for other science projects for your pupils, check out our website for a list of our activities in your area.

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