3. Joseph observes that when it rains, a ponder his farm collects water that drains from the farms He wonder if


3. Joseph observes that when it rains, a ponder his farm collects water that drains from
the farms He wonder if microns in the bumpendare led by chemicals that
may end up is the water of how them on his crops. Joseph decides to compare
the farm’spond to a second pond that does not collect rainwater from the firm’s elds
Which investigation could Joseph de to provide evidence that chemicals from the
farm’s fields are killing microorganism in the farm’s pend?
Step : Take a sample of both ponds
Step 2: Pace each sample on side.
Step 3: Observe the sample with the microscope
Step 4. Record the number of living organisms in each sample
Step 5: Compere real the pond water has more microorganisms the chemical
is not
Step 1: Get a sample of the farm’s pond water
Step 2: Observe the sample of poed water using the magnifying classes
Step 3 there are dead things is the sample, they died due to the chemical runoff
Step : Get a water sample from each pond
Step Porch sample
Place one drop of a water samplece a microscope slide
Observe the water sample with a light microscope
c. Olere any impleats in the water
d. Determine whether the microscope objects are living on.
Eining dead things
Rand the data in the
Step 3 Camere the there are more dead things the living things in the
famespond ample, then the chemicals are killing the microorg
d. Step to to the end on the farm
Step 2: Obeta sample of the water in the post
Step 3: Test the sample for the chamkals that we want the
Step 4 tampare post then the chemare te mire


Leave a Reply

Your email address will not be published.