Science
Did you know the GED® Science test has a 90% pass rate? You have a very good chance of succeeding if you have a basic understanding of scientific concepts and how they work.
Here’s what you need to know:
- You should be familiar with scientific concepts, measurements, experimental setup, reading and analyzing graphs and data sets to interpret scientific information.
- You do not need to memorize formulas – you will be provided with the information needed to correctly answer the question.
- Use the free Science Study Guide to start studying. It will help you understand the skills being tested. Log in to start using the study guide.
- The GED Ready® practice test for Science can help you determine if you are ready to take the actual test. Log in to take the practice test.
Try a Sample Question
Question Overview
This question describes an experimental procedure used to test a hypothesis. The question requires you to understand experimental design and identify the independent, dependent, and controlled variables.
An enzyme called pectinase is used by the fruit juice industry to increase the yield obtained during the juice extraction process. A researcher is investigating the effectiveness of pectinase by using the procedure shown here.
- Label two beakers A and B.
- Add 50 g of chopped apple to each beaker.
- Add 4 milliliters (mL) of prepared pectinase solution to beaker A.
- Add 4 mL of distilled water to beaker B.
- Stir the contents of both beakers.
- Allow the beakers to remain undisturbed for 30 minutes.
- Filter out the solids and measure the juice in each beaker.
What is the dependent variable?