7th Grade Review - November

Front

What is an independent variable in an experiment?

Back

The independent variable is the variable that is deliberately changed or manipulated by the scientist to observe its effect on the dependent variable.

Front

What is the best method for collecting data on the water level in a pond during a school year?

Back

The best method is to go to the pond every month and measure the water level at the end of the dock.

Front

Why does light from the Sun travel quickly to Earth?

Back

Light waves travel fastest through a vacuum.

Front

What is an example of replication in scientific experiments?

Back

A scientist conducts an experiment using a previously reported method.

Front

What does it mean when friends replicate an experiment and get the same results?

Back

It demonstrates that the experiment is reliable and the results can be reproduced.

Front

What is a dependent variable in an experiment?

Back

The dependent variable is the variable that is measured or observed in response to changes in the independent variable.

Front

What is the control group in an experiment?

Back

The control group is the group that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects do.

Front

What is the purpose of conducting multiple trials in an experiment?

Back

Conducting multiple trials helps to ensure the reliability and accuracy of the results.

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 a hypothesis?

Back

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