Georgia High School Graduation

Test – Science

Practice Test

The weight of a person on Earth is 6 times his or her weight on the Moon. What type of force is responsible for a person’s weight?

A. inertialB. electromagneticC. gravitationalD. mechanical

Soft drinks consist of a mixture of water, sugar, and flavoring, with carbon dioxide gas bubbled through it. Which of these ingredients would be considered the solvent?

A. waterB. sugarC. flavoringD. carbon dioxide

What number should precede H2 in the chemical equation below in order for the equation to be balanced?

___ H2+N2→2NH3

A. 1B. 2C. 3D. 4

A large number of iron nails were kept in containers in a humid room. Some of the containers were open, and some were airtight. Sixty percent of the nails kept in open containers developed rust. Which of the following would be MOST important to know in order to draw a conclusion about whether the humidity might have contributed to the rusting?

A. the percentage of nails weakened by the rusting

B. the precise number of nails kept in air tight containers C. the percentage of nails in airtight containers that also developed rust

D. the precise number of nails kept in the open containers

Which of the following could be used to convert light energy to electrical energy?

A. a solar cellB. a chemical storage batteryC. a windmillD. rotating coils in a magnetic

field

Which of the following is the BESTrepresentation of molecules of water vapor?

An inclined plane is used to move a heavy box from the ground into the bed of a truck.

If 100 N of force is required to move the load up the ramp, how much work is done? Disregard any force of friction.

A. 100 J B. 300 J C. 400 J D. 500 J

A student connects three identical light bulbs in parallel to a dry cell as shown below. What happens when the student removes one of the light bulbs from its socket?A. All the light bulbs go out.B. The other light bulbs remain on and will be equally bright.C. The other light bulbs remain on, one less bright and the other the same brightness as before.D. The other light bulbs remain on, one brighter and the other less bright than before.

In normal air, which of the following substances is MOST common?

A. nitrogenB. oxygenC. carbon dioxideD. carbon monoxide

The half-life of carbon-14 is 5,730 years. How much carbon-14 would remain after 11,460 years, if any?

A. noneB. one-eighthC. one-fourthD. one-half

Which is an example of the conversion of electrical energy into mechanical energy?

A. water heating in an electric water

heaterB. filament glowing inside a light

bulb

C. fan blades turning in an electric fan

D. coal burning to generate electricity

A balloon is rubbed with a piece of cloth. As a result, the balloon has a negative charge. What has happened?

A. Electrons have moved from the inside to the outside of the

balloon.B. Positive charges have traveled

from the balloon to the cloth.C. Electrons have moved from the balloon to the cloth.D. Electrons have traveled from

the cloth to the balloon.

Which of the following pairs are isotopes of the same element?

A. atom J (27 protons, 32 neutrons) atom L (27 protons, 33 neutrons)B. atom Q (56 protons, 81 neutrons)

atom R (57 protons, 81 neutrons)C. atom V (8 protons, 8 neutrons) atom W (7 protons, 8 neutrons)D. atom S (17 protons, 18 neutrons)

atom T (18 protons, 17 neutrons)

Albert stirs a mug of hot chocolate with a metal spoon. What type of heat transfer is responsible for the spoon getting hot?

A. convectionB. conductionC. thermoelectricD. radiation

Which organelle indicated below is responsible for making food for the plant from sunlight?

A. chloroplastB. endoplasmic reticulumC. cell membraneD. vacuole

Which of the following example illustrates osmosis?

A. Water leaves the tubules of the kidney in response

to the hypertonic fluid surrounding the tubules.

B. Digestive enzymes are excreted into the small

intestine.

C. White blood cells consume pathogens and cell

debris at the site of an infection.

D. Calcium is pumped inside a muscle cell after the

muscle completes its contraction.

Based on the summary equation for photosynthesis shown below, which of the following is produced by the reaction?

6CO2 + 6H2O + light → C6H12O6 + 6O2

A. CO2

B. H2O

C. lightD. C6H12O6

Why is it important for the cells ofmulticellular organisms to undergomitosis?

A. Mitosis allows for reproduction with male and

female gametes.B. Mitosis increases variation within an organism.C. Mitosis produces cells that are different from

the original dividing cell.D. Mitosis produces identical cells to the original

dividing cell.

Pea plants have seeds that are either round or wrinkled. In this cross, what will be the phenotypic ratio of the offspring?

A. 50% RR and 50% Rr

B. 25% RR, 50% Rr, and 25% rr

C. 50% round seeds and 50% wrinkled seeds

D. 100% round seeds

Which of the following shows howinformation is transformed to make aprotein?

A. DNA → RNA → proteinB. gene → chromosome → proteinC. cell respiration → ATP → proteinD. ATP → amino acid → protein

Which kingdom has representatives with the following characteristics?

A. Fungi C. ProtistaB. Plantae D. Animalia

“Survival of the fittest” was Darwin’s idea that organisms adapt to their environment in order for the species to survive long-term. This idea is known best as

A. Natural selectionB. Big bang theoryC. Primordial soup modelD. Evolutionary model

Which of the following organisms is used to help in the production of bread?

A. mold B. bacterium C. yeast D. lichen

Which of the following is the smallest unit as shown on the metric ruler below?

A. centimeterB. kilometerC. millimeterD. hectometer

Which occupation would be LEAST concerned with the biomass production in a given county?   

A. OptometryB. Agricultural scienceC. EcologyD. Soil science

An undisturbed deer population grows until its carrying capacity is reached. Which of the graphs below BEST resembles this deer population?

Which of the following correctly lists the phases of the cell cycle starting with the interphase?