GED Science

Comprehensive study of GED science covering fundamental concepts and advanced applications.

Basic Concepts

Scientific Method

Understanding the Scientific Method

The scientific method is a step-by-step process scientists use to explore observations, answer questions, and solve problems. This method helps ensure that investigations are fair, logical, and repeatable.

Steps of the Scientific Method

  1. Ask a Question
    Curiosity starts every investigation! Scientists ask questions about the world, like "Why is the sky blue?" or "How do plants grow?"

  2. Do Background Research
    Before jumping to conclusions, scientists gather information to understand what is already known.

  3. Construct a Hypothesis
    A hypothesis is an educated guess or prediction that can be tested. It usually takes the form, "If I do this, then that will happen."

  4. Test with Experiments
    Experiments are designed to test the hypothesis by changing one variable at a time while keeping others constant.

  5. Analyze Data and Draw Conclusions
    After experimentation, scientists look at the data and decide if it supports their hypothesis.

  6. Communicate Results
    Sharing results allows others to verify findings and build upon them.

Importance in Real Life

The scientific method isn't just for scientists—it's a great way to solve problems, make decisions, and learn about the world in daily life.

Common Mistakes

  • Skipping steps or not repeating experiments can lead to unreliable results.
  • Ignoring evidence that contradicts the hypothesis is a big no-no!

Examples

  • Testing if plants grow faster with music by setting up two groups: one with music and one without.

  • Investigating which type of paper towel absorbs the most water by comparing different brands in a controlled test.

In a Nutshell

The scientific method is a process for investigating questions and finding answers through observation and experimentation.

Key Terms

Hypothesis
A testable prediction based on observations.
Variable
A factor that can be changed in an experiment.
Control
The standard to which comparisons are made in an experiment.