Seventh grade final review

Front

How did Kepler explain the heliocentric system?

Back

Kepler used math to explain the heliocentric system, which describes the sun as the center of the solar system.

Front

What are the 5 layers of the Earth's atmosphere?

Back

The 5 layers of the Earth's atmosphere are the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.

Front

What is the dependent variable in an experiment?

Back

The dependent variable is the variable that should be measured and observed as the focus of the experiment.

Front

What are double blind experiments?

Back

Double blind experiments are studies where neither the experimenter nor the participants know the identities in the setup.

Front

In the absence of air, how do objects fall?

Back

In the absence of air, all objects regardless of size and weight fall at the same rate.

Front

What is the definition of a hypothesis?

Back

A hypothesis is a testable prediction about the relationship between two or more variables.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is the difference between independent and dependent variables?

Back

The independent variable is the one that is changed or controlled in an experiment, while the dependent variable is what is measured.

Front

What is a control group in an experiment?

Back

A control group is a group in an experiment that does not receive treatment and is used as a benchmark to measure how the other tested subjects do.

Front

What is the purpose of a conclusion in scientific research?

Back

The conclusion summarizes the results of the experiment and states whether the hypothesis was supported or not.