1-1bExperimentalParts (Classwork)

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A farmer in Holly Springs, NC had an insect problem, they were destroying his corn crop! He heard about a new insecticide that advertized that it would kill 99% of insects without harming his corn. He was skeptical but decided to give it a chance. So that next April, the farmer spread the seed like he always does. Once it started to germinate and sprout, he applied the insecticide chemical to exactly half of his field once per week. After 2 months he began harvesting the corn. The side sprayed with insecticide had a much higher yield (amount) and the corn was healthier compared to the side of the field that was not sprayed.

From the following answer choices A through I, correctly answer questions 1-8 with the correct letter matching the experimental part.

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Record my email address with my response

1) Observation/Problem? *

1 point

A) Insects are damaging the corn crop.

B) Spraying the insecticide

C) The side of the field that was NOT sprayed with insecticide

D) The side of the field that was sprayed with the insecticide

E) The yield (amount) and health of his corn

F) The corn crop was better off without the insecticide

G) The corn crop turns out better if sprayed with insecticide

H) If the farmer sprays insecticide, then the crops will be healthier and more plentiful.

I) The same dirt, same sunlight, same temperature, same rainfall, same plant species, etc.

Other:

2) Hypothesis? *

1 point

A) Insects are damaging the corn crop.

B) Spraying the insecticide

C) The side of the field that was NOT sprayed with insecticide

D) The side of the field that was sprayed with the insecticide

E) The yield (amount) and health of his corn

F) The corn crop was better off without the insecticide

G) The corn crop turns out better if sprayed with insecticide

H) If the farmer sprays insecticide, then the crops will be healthier and more plentiful.

I) The same dirt, same sunlight, same temperature, same rainfall, same plant species, etc.

Other:

3) Independent Variable? *

1 point

A) Insects are damaging the corn crop.

B) Spraying the insecticide

C) The side of the field that was NOT sprayed with insecticide

D) The side of the field that was sprayed with the insecticide

E) The yield (amount) and health of his corn

F) The corn crop was better off without the insecticide

G) The corn crop turns out better if sprayed with insecticide

H) If the farmer sprays insecticide, then the crops will be healthier and more plentiful.

I) The same dirt, same sunlight, same temperature, same rainfall, same plant species, etc.

Other:

4) Dependent Variable? *

1 point

A) Insects are damaging the corn crop.

B) Spraying the insecticide

C) The side of the field that was NOT sprayed with insecticide

D) The side of the field that was sprayed with the insecticide

E) The yield (amount) and health of his corn

F) The corn crop was better off without the insecticide

G) The corn crop turns out better if sprayed with insecticide

H) If the farmer sprays insecticide, then the crops will be healthier and more plentiful.

I) The same dirt, same sunlight, same temperature, same rainfall, same plant species, etc.

Other:

5) Control group? *

1 point

A) Insects are damaging the corn crop.

B) Spraying the insecticide

C) The side of the field that was NOT sprayed with insecticide

D) The side of the field that was sprayed with the insecticide

E) The yield (amount) and health of his corn

F) The corn crop was better off without the insecticide

G) The corn crop turns out better if sprayed with insecticide

H) If the farmer sprays insecticide, then the crops will be healthier and more plentiful.

I) The same dirt, same sunlight, same temperature, same rainfall, same plant species, etc.

Other:

6) Experimental Group? *

1 point

A) Insects are damaging the corn crop.

B) Spraying the insecticide

C) The side of the field that was NOT sprayed with insecticide

D) The side of the field that was sprayed with the insecticide

E) The yield (amount) and health of his corn

F) The corn crop was better off without the insecticide

G) The corn crop turns out better if sprayed with insecticide

H) If the farmer sprays insecticide, then the crops will be healthier and more plentiful.

I) The same dirt, same sunlight, same temperature, same rainfall, same plant species, etc.

Other:

7) Controlled variables? *

1 point

A) Insects are damaging the corn crop.

B) Spraying the insecticide

C) The side of the field that was NOT sprayed with insecticide

D) The side of the field that was sprayed with the insecticide

E) The yield (amount) and health of his corn

F) The corn crop was better off without the insecticide

G) The corn crop turns out better if sprayed with insecticide

H) If the farmer sprays insecticide, then the crops will be healthier and more plentiful.

I) The same dirt, same sunlight, same temperature, same rainfall, same plant species, etc.

Other:

8) Conclusion based on the data? *

1 point

A) Insects are damaging the corn crop.

B) Spraying the insecticide

C) The side of the field that was NOT sprayed with insecticide

D) The side of the field that was sprayed with the insecticide

E) The yield (amount) and health of his corn

F) The corn crop was better off without the insecticide

G) The corn crop turns out better if sprayed with insecticide

H) If the farmer sprays insecticide, then the crops will be healthier and more plentiful.

I) The same dirt, same sunlight, same temperature, same rainfall, same plant species, etc.

Other:

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