Georgia GACE Middle Grades Science (4-8) Assessment Practice Test
The Georgia GACE Middle Grades Science (4-8) Assessment practice covers foundational life, physical, and Earth science concepts. Sample questions address plant processes, food chains, inherited traits, energy transfer, light and magnetism, rock-layer evidence, measurement, and water’s properties.
Exam overview
About the Georgia GACE Middle Grades Science (4-8) Assessment Exam
Science questions can require interpreting observations, connecting evidence to a scientific explanation, and distinguishing a direct cause from a related pattern. Practice involves applying ideas such as photosynthesis, producer-consumer relationships, dominant and recessive traits, and energy transfer to familiar settings. Physical science tasks may involve predicting reflected-light angles or explaining how electric current affects a compass. Earth science reasoning includes using fossils or rock layers to infer past environments, while measurement questions call for calculating volume from water displacement. These examples also exercise the ability to identify variables, compare conditions, and support a conclusion with the evidence given—skills useful when planning middle grades investigations and discussing scientific claims with students.
Sample Practice Questions
Review a selection from this exam's published US Practice Tests practice bank.
Two identical plants receive the same amount of light and water. One is placed in air enriched with carbon dioxide, while the other remains in ordinary air. Which process could be affected directly by the difference in carbon dioxide availability?
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Correct answer: APlants use carbon dioxide and water as raw materials in photosynthesis, using light energy to produce sugars and oxygen. Changing carbon dioxide availability can therefore affect photosynthesis, provided other conditions do not limit the process.
In a stream ecosystem, algae use sunlight to make food, small aquatic animals eat the algae, and fish eat the small animals. Which organism is the producer in this food chain?
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Correct answer: AProducers make their own food, usually using energy from sunlight. The algae are the producer; the animals are consumers because they obtain energy by eating other organisms.
A student observes that a shadow becomes shorter as the Sun appears higher in the sky during the day. Which relationship best explains this pattern?
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Correct answer: AWhen the Sun is higher in the sky, its rays strike the ground at a steeper angle. An object therefore casts a shorter shadow than it does when the Sun is low.
A student crosses a purebred tall pea plant with a purebred short pea plant. If tallness is dominant and the offspring inherit one allele from each parent, what phenotype is expected for the first-generation offspring?
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Correct answer: AThe offspring receive one allele for tallness and one for shortness. Because the tall allele is dominant, each offspring is expected to be tall, assuming the stated simple inheritance pattern.
A student places a magnet near a wire carrying electric current and observes a compass needle deflect. Which conclusion is best supported?
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Correct answer: AA current-carrying wire produces a magnetic field. The compass needle responds to that field, which shows that electricity and magnetism are related.
A student places equal volumes of water in two identical containers. One is set in direct sunlight and the other in shade. After an hour, the sunlit water is warmer. Which energy transfer most directly explains this difference?
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Correct answer: ASunlight transfers energy to the water by electromagnetic radiation, which can travel through space and air. The other choices do not explain why the container in sunlight received more energy.
A student shines a flashlight at a flat mirror. The angle between the incoming ray and the mirror's normal is 35 degrees. What is the angle between the reflected ray and the normal?
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Correct answer: BThe law of reflection states that the angle of incidence equals the angle of reflection, with both angles measured from the normal. Therefore, the reflected ray makes a 35-degree angle with the normal.
How to use this practice test
The free practice session presents up to 20 random questions from the 50-question bank. Answer the questions, then use the results shown after the session to identify concepts that need further review, such as inheritance, energy, or measurement.
Preparation tips
- For plant and ecosystem questions, distinguish the inputs and outputs of photosynthesis and trace energy from producers to consumers.
- Practice predicting offspring phenotypes from simple dominant and recessive allele combinations; state the allele evidence behind each prediction.
- Sketch ray diagrams with a normal line to apply the law of reflection, and connect compass deflection near a current-carrying wire to magnetic effects of electric current.
- Use units and calculations carefully in measurement problems, including finding object volume from the change in graduated-cylinder readings.
- When interpreting fossils or rock layers, separate the observation from the inference and explain how the evidence supports a conclusion about past conditions.