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Oksanka
1 month ago
5

4. Susan observed that different kinds and amounts of fossils were present in a cliff behind her house. She wondered why changes

in fossil content occurred from the top to the bottom of the bank. She marked the bank at five positions: 5, 10, 15, 20 and 25 m from the surface. She removed 1 bucket of soil from each of the positions and determined the kind and number of fossils in each sample.
Hypothesis:
Independent Variable:
Dependent Variable:
Constant (at least one):
Control:
Number of groups:
Number of trials per group:
Physics
2 answers:
Sav [3.1K]1 month ago
8 0

Answer:

An experiment is structured into two groups: the control group, which does not include the critical variable under investigation, and the experimental group, which possesses the variable being examined.

The investigation encompasses three aspects: the dependent variable that is being observed, the independent variable that can be modified and impacts the dependent variable, and the constant variable, which remains unchanged throughout the study.

In the current study,

1. Hypothesis: The fossil content in the soil varies with the height changes in the bank.

2. Independent Variable: The elevation of the bank from the surface.

3. Dependent Variable: The quantity and types of fossils found.

4. Constant variable: The volume of soil collected in the bucket.

5. Control: Soil at the surface level (0 cm).

6. Number of groups: 5 distinct groups.

7. Number of trials per group: Three trials.

ValentinkaMS [3.4K]1 month ago
3 0
The expected measurements should range as follows: 5, 10, 15, 20, and 25 meters.
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