beach lab.

big beach

Introduction:

since the beginging of time there has been beaches, little did we know beaches have two origens. the thwo origens that make up all the beaches in the world is Biogenic (sand coming from living organisms) and detrital, (sand coming from rocks). now one way to find what beach is biogenic and what is not is to add vinigar to a sample of sand. if the sand is biogenic there will be a chemical reaction, the sand will bubble up and crackle, if the sand is detrital there will be no reaction.

Question:

is the beach on suger beach, black sand beach and kam1 beach biogenic or detrital?

Hypothesis:

I believe that black sand beach is detrital and both surgar and kam 1 beach is biogenic.

Kam 1 beach

Prediction:

If black sand beach is detrital then it will not react with the vinigar. If sugar and kam 1 beach are biogenic then they will react with the vinigar.

Materials:

gaggles

pipets

beaker

viniger

your brain

Procedure: First we will take the vans to the beaches that we want to test. Next we will collect the sand samples and make observations on the beach. After we our done with our observations we will go back to the school. we will pour 20 drops of viniger into a sample the sand. we will watch for any chemicle reation and make our data analiysis.

Data:

we have conducted our lab and the results are in!

surgar beach: the sand had a major reaction with the viniger with lost of crackling and bubbling.

Kam 1: the sand reacted with bubbling and crakling but not as much as surger beach.

Black sand: there was hardly any reaction.

conclusion:

Our hypothesis sugjested that the black sand beach was detrital and both kam 1 and sugar beach was biogenic. our data proves that my hypothesis was 100% correct. possible sources of error is mixing the sands up.

black sand beach