Praxis test form 3 SCIENCE 5005

Praxis test form 3 SCIENCE 5005 1. Condensation What happens when a gas turns into a liquid? A. Evaporation B. Condensation C. Melting D. Boiling Answer: B. Condensation 2. Sperm Cells Which human organ produces sperm cells? A. Kidneys B. Testes C. Liver D. Pancreas Answer: B. Testes 3. Earth's Rotation How long does it take Earth to rotate once on its axis? A. One day B. One week C. One month D. One year Answer: A. One day 4. Laboratory Rules Which laboratory rules are generally accepted? A. 1, 2, and 3 B. 1 and 2 only C. 2 and 3 only D. 1 only Answer: A. 1, 2, and 3 5. Precipitation Which process brings water from the atmosphere to Earth's surface? A. Evaporation B. Condensation C. Precipitation D. Transpiration Answer: C. Precipitation 6. Digestive System What is an important function of the digestive system? A. Absorbing nutrients into the body B. Moving food through the body C. Breaking down food into smaller particles D. Eliminating waste from the body Answer: A. Absorbing nutrients into the body Which of the following demonstrations provides the best opportunity for students to gain an understanding of why the Sun appears larger than other stars, even though many stars are actually larger than the Sun? ️Positioning two lit bulbs of the same size at different distances from an observer Bread molds belong to which of the following groups of organisms? ️Fungi A teacher rubs an inflated balloon with a wool cloth and then holds the balloon over bits of paper that are lying on a table. The students in the class watch as the bits of paper rise from the table toward the balloon. Which of the following hypotheses is best supported by the observed interaction between the balloon and the bits of paper? ️The balloon has an electrostatic charge Two black mice have a litter that contains some black offspring and some brown offspring. In mice, black fur is dominant to brown fur. Which of the following best explains the presence of the brown offspring? ️Both parents were heterozygous for black fur (Bbuppercase B, lowercase b) Which of the following factors best accounts for the seasonal changes in weather conditions that occur at a particular location on Earth? ️Tilt of Earth's rotational axis In an investigation of the rusting process, students soaked a sample of steel wool in vinegar for approximately 1 minute. After removing the steel wool from the vinegar, the students squeezed it and blotted it with a paper towel. The students then wrapped the steel wool around the bulb of a thermometer and placed the steel wool and thermometer together in a covered beaker to allow the rusting process to occur. The students observed that the temperature reading of the thermometer gradually increased. Which of the following conclusions is best supported by the students' observation? ️A reaction occurred in which energy was released In which of the following ways can a tree-fall gap result in increased species diversity in a mature forest community? ️By providing a habitat in which shade-intolerant plants can grow Which of the following statements best describes how the individual molecules in water vapor are different from those in liquid water? ️They are farther apart Researchers are measuring surface salinity in different areas of an ocean. In which of the following areas will the researchers most likely find the highest surface salinity? ️An area in which warm, dry winds are causing a high rate of evaporation The scientific name for a domestic cat is Felis catus. Which of the following classification levels is indicated by the first part of the scientific name? ️Genus Which of the following most likely accounts for structural and functional differences between the skin cells, smooth muscle cells, and liver cells of the same person? ️Differences in gene expression In a demonstration of the Doppler effect, an observer who is standing still will most likely hear a sound's pitch increase when the source of the sound does which of the following? ️Moves toward the observer In which of the following types of power plants would the normal generation of electricity most likely produce the least amount of carbon dioxide gas? ️Nuclear-fueled Which of the following typically increases with increasing depth in the open ocean? ️Pressure