Which is an example of a suspension?

February 10, 2021PdfprepGED ScienceGED Science exam questions, GED Science practice exam, Science

In a suspension, two materials will mix together only temporarily. One material does not dissolve into the other, but stays suspended only until gravity pulls it down. Which is an example of a suspension?A ....

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According to the article, about 5 percent of all children born have genes containing which component?

February 10, 2021PdfprepGED ScienceGED Science exam questions, GED Science practice exam, Science

Exhibit: According to the article, about 5 percent of all children born have genes containing which component?A . harmful viruses that produce diseaseB . information that came from one parent onlyC . no genetic informationD...

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Based on the information, which statement represents the best conclusion?

February 9, 2021PdfprepGED ScienceGED Science exam questions, GED Science practice exam, Science

Scientist Alexander Fleming was looking for a chemical that would be effective in combating bacteria. In order to test various chemicals, he grew cultures of the bacteria, Staphylococcus. One day in 1928, as he was...

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Which of the following statements best explains this phenomenon?

February 7, 2021PdfprepGED ScienceGED Science exam questions, GED Science practice exam, Science

During an electrical storm, a lightning flash is seen before the sound of thunder that it generated can be heard. The farther a person is from the storm, the greater the time interval between the...

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Based on the diagram, if the surface vegetation were removed, which would be the likely effect on the soil?

February 6, 2021PdfprepGED ScienceGED Science exam questions, GED Science practice exam, Science

Soil is formed when the rock at Earth’s surface weathers. Normally, soil develops into three layers, called horizons. The illustration below shows the A, B, and C horizons of a typical soil profile. Based on...

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For what purpose is the root of the sugar beet adapted?

February 6, 2021PdfprepGED ScienceGED Science exam questions, GED Science practice exam, Science

Sugar is produced in the sugar beet’s leaves through photosynthesis and then is transported to the root. The root of a sugar beet weighs from 1.5 to 3 pounds. For what purpose is the root...

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Exhibit: Which claim in the advertisement could be most readily tested in a carefully controlled experiment?

February 6, 2021PdfprepGED ScienceGED Science exam questions, GED Science practice exam, Science

Exhibit: Which claim in the advertisement could be most readily tested in a carefully controlled experiment? A . reduces underarm wetness from 20 to 50%B . doesn’t wear off as the day wears onC ....

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Which of the following is NOT a testable hypothesis regarding the relationship between the eruption and the weather?

February 6, 2021PdfprepGED ScienceGED Science exam questions, GED Science practice exam, Science

A major volcanic eruption put large amounts of dust into the upper atmosphere. For three years following the eruption, Earth’s weather was cooler than normal. Which of the following is NOT a testable hypothesis regarding...

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What appears to be the difference in the waves when moving from radio waves to X rays in the electromagnetic spectrum?

February 5, 2021PdfprepGED ScienceGED Science exam questions, GED Science practice exam, Science

Radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X rays, and gamma rays are forms of radiant energy that make up the electromagnetic spectrum. Each portion of the electromagnetic spectrum has waves that vary...

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Based on the information and diagram, which statement best describes the way galaxies move through space over time?

February 5, 2021PdfprepGED ScienceGED Science exam questions, GED Science practice exam, Science

By taking careful measurements, scientists have determined that the universe is expanding over time. Individual components of the universe, such as galaxies, continue to travel through space. This concept is sometimes represented by a balloon...

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