Try our free full-length GED Science practice test. The GED Science test is 90 minutes long and has approximately 34 multiple choice questions as well as 2 short answer questions. Our practice questions are designed to cover the same topics that you will find on the actual test. Start your test prep now with our free GED Science practice test.
GED Science Practice Test
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Question 1 of 31
The tilt of Earth’s rotational axis toward or away from the sun causes:CorrectIncorrect
Question 2 of 31
This table describes the 4 trophic levels:
Based on the table, which of the following animals would be classified as a tertiary consumer?CorrectIncorrect
Question 3 of 31
What was the mean number of bats in 2020 for the six colonies in the park?CorrectIncorrect
Question 4 of 31
What was the median number of bats in 2021 for the six colonies in the park?CorrectIncorrect
Question 5 of 31
Use the energy pyramid to answer the question.
How is energy obtained by primary producers?CorrectIncorrect
Question 6 of 31
What interaction between Earth’s systems was most likely responsible for the creation of this landmark?CorrectIncorrect
Question 7 of 31
Multiple studies have supported the following two hypotheses:
Given these two hypotheses, which of the following is most likely to be true?CorrectIncorrect
Question 8 of 31
When a person reaches out and touches a hot pan, the __________ system is triggered and activates the __________ system to move the hand away. Fill in the blanks.CorrectIncorrect
Question 9 of 31
Use the Punnett square to calculate the probability that these two mice will produce an offspring with white fur.CorrectIncorrect
Question 10 of 31
Which of the following is the cause of ocean tides?CorrectIncorrect
Question 11 of 31
Based on the chart above what is the relationship between the Rocky Mountain and Grey wolf?CorrectIncorrect
Question 12 of 31
A seesaw is an example of what type of simple machine?CorrectIncorrect
Question 13 of 31
DNA can best be compared to:CorrectIncorrect
Question 14 of 31
What numbers are needed in the blank spaces to balance the chemical equation?
S8 + __F2 → __SF6CorrectIncorrect
Question 15 of 31
Use Newton’s second law to find the initial acceleration of an object with a mass of 40 kg when a force of 6 N is applied. For this problem ignore direction and round to the nearest hundredth.
Newton’s second law: F = ma
Enter the acceleration below (in m/s2):CorrectIncorrect
Question 16 of 31
Which of the following conclusions can be inferred from the data depicted in the graph?CorrectIncorrect
Question 17 of 31
The equation provided represents photosynthesis.
Which of these statements about photosynthesis is true?CorrectIncorrect
Question 18 of 31
Peter hypothesizes that if students switch from a cereal breakfast to a high-protein breakfast, their grades will improve. The steps of his experiment are given below. Arrange the steps in the correct order from first to last to give the best experimental design.
At the start of the 2nd quarter, ask the experimental group to begin eating the high protein breakfast from the menu. Have the control group continue eating cereal for breakfast.
Identify a group of students who normally eat cereal for breakfast and record their 1st quarter grades.
Record the 2nd quarter grades of all the students.
Review the grades from both quarters and analyze the differences between the 2 groups.
Provide the experimental group with a high protein breakfast menu and a breakfast diary.
Randomly assign the students to either the experimental group or the control group.
Question 19 of 31
The average diameter of a healthy male’s aorta, the largest artery in the body, is 36 mm. If 1 meter is equal to 1000 millimeters, what is the average diameter of the human male’s aorta in meters?CorrectIncorrect
Question 20 of 31
After Mia presented the results to her class, her teacher told her that she made an error in designing her experiment. What was the most likely error?CorrectIncorrect
Question 21 of 31
Which sentence from the paragraph supports the idea that specific farming techniques used by humans are responsible for the environmental damage caused by unsustainable agriculture?CorrectIncorrect
Question 22 of 31
Which is an independent variable and which is a dependent variable in this experiment?CorrectIncorrect
Question 23 of 31
Use the table to answer questions 23 & 24.
Is the hypothesis supported by the data in the table?CorrectIncorrect
Question 24 of 31
The table provided suggests that decreasing the percentage of coal used for energy annually correlates with an increase in CO2 emissions. Given that the processing of coal is the primary contributor to CO2 emissions in the US, which of the following statements may explain the trend shown in the data table?CorrectIncorrect
Question 25 of 31
A cladogram is a diagram that organizes species into groups based on their similarities. It also shows evolutionary relationships among the groups.
Based on the information in this cladogram, which of these statements is true?CorrectIncorrect
Question 26 of 31
What was the error in the design of their experiment?CorrectIncorrect
Question 27 of 31
Two objects on Earth are dropped from the top of a building that is 70 meters high. Object A has a mass of 12 g and object B has a mass of 6 kg. Assuming there is no air resistance, which object will hit the ground first?CorrectIncorrect
Question 28 of 31
A lake contains many fish that local bears depend on as their major source of food. What would be the consequence of an algal bloom killing off a large portion of the fish population?CorrectIncorrect
Question 29 of 31
Based on this equation, in order to sustain population growth and maintain environmental impact, what factor must change at a rate equal to the rate of population growth?CorrectIncorrect
Question 30 of 31
Two mice mate and produce offspring. Both of the mice have the genotype (Gg) which is the phenotype for grey fur color. Use a Punnett square to calculate the probability that these two mice will produce an offspring with white fur (gg).CorrectIncorrect
Question 31 of 31
Which of the following describes the feedback method used by a healthy human to regulate body temperature first in warm surroundings and then in cold surroundings?CorrectIncorrect