Praxis 5025 Science Questions and Answers Already Passed

Praxis 5025 Science Questions and Answers Already Passed Which of the following best describes energy that is produced by vibrations and travels only through a medium? • A.Gravitational potential • B.Light • C.Sound • D.Heat C Which of the following organisms has a body consisting of a head, a thorax, and an abdomen? • A.Starfish • B.Fly • C.Centipede • D.Shark B For a population of organisms that is neither growing nor declining in size, which of the following are most likely to be equal? • A.The birth rate and death rate • B.The number of herbivores and number of carnivores • C.The number of organisms in the youngest age class and number in the oldest age class • D.The number of plant species and number of animal species A To an observer on Earth, it appears as if the Sun orbits Earth once each day. Which of the following is responsible for the misconception? • A.Earth's smaller size • B.Earth's rotation • C.Earth's tilt on its axis D.Earth's orbit B A person comparing the volume of 1 kilogram of feathers with the volume of 1 kilogram of gold would observe that the • A.1 kilogram of gold has a smaller volume • B.1 kilogram of feathers has a smaller volume • C.feather and the gold have equal volumes • D.volume of the gold varies with pressure B What is density? mass per unit volume- the degree of compactness What is the "inquiry" method as it relates to science? students are able to explore possible solutions through experiments states of matter solid, liquid, gas Which of the following actions would be most effective in directly decreasing the impact of the greenhouse effect on the environment? • A.Using taller smokestacks • B.Reducing the use of fossil fuels • C.Adding lime to acidified lakes • D.Developing drought-resistant crops B Bobby and Jasmine are kindergarten students who are playing at the water station. Jasmine fills a cup with water, lifts it up, and turns it over. She says, "Look, Bobby, I'm making rain!" Bobby replies, "I can make rain too." He then picks up the plastic watering can and pours the water into the water station. Which of the following instructional activities will best support the students' development of inquiry skills? • A.Reading a story about rain and discussing the characters in the story with the students • B.Providing a picture of a rainy day and asking the students to tell a story based on the picture • C.Showing a video about rainy, snowy, and sunny days and telling students to describe different activities they can do on each day • D.Performing an experiment to illustrate evaporation and condensation of water and asking how it applies to rain D What is a chemical change? A change in matter that produces one or more new substances Which of the following demonstrations best illustrates a chemical change? • A.Boiling water • B.Burning a candle • C.Melting an ice cube • D.Connecting two magnets B A first-grade teacher brings different types of flowers into the classroom and asks the students to make observations about them. Which of the following student responses is an example of a scientific observation that will best help in classifying the flowers? • A.Some of the flowers are wilted. • B.Some of the flowers are yellow. • C.The flowers are pretty. • D.The flowers are soft. B A preschool teacher provides a water table and various containers for children to use to investigate ways water can be stored and transferred. After a few weeks, the teacher introduces funnels and colanders to the center. Which of the following is the most appropriate focus question for the teacher to pose as children explore these new items? • A.Why does the water always run down the funnel? • B.Which of the containers will hold more water? • C.What do you think will happen when the water is put into the colander? • D.How does the shape of the container affect the shape of the water? C Which of the following is a primary function of flowers? • A.Pollination • B.Photosynthesis • C.Phototropism • D.Pasteurization A Which of the following best reflects an inquiry-based science activity for a unit about the life cycle of insects? • A.Visiting a live-butterfly exhibit online • B.Reading books about types of worms • C.Raising caterpillars in the classroom • D.Drawing pictures of insects C A preschool teacher is introducing the concept of living and nonliving things. The most appropriate introduction of the concept would be to ask children to • A.create a chart of the characteristics of living and nonliving things • B.sort pictures of living and nonliving things in a learning center • C.describe what they observe of objects and organisms in the classroom aquarium • D.role-play living and nonliving things in a game of charades C While planning a science unit, a teacher decides to include several activities that will have children handle, examine, and experiment with soil samples. Which of the following terms best describes the activities? • A.Reasoning activities • B.Classification activities • C.Multisensory activities • D.Problem-posing activities C Which of the following is caused by a virus? • A.Malaria • B.Ringworm • C.Sickle cell anemia • D.Influenza D The ability of the heart to pump oxygen-rich blood to the rest of the body during a whole-body workout involving the large muscles is most closed associated with • A.flexibility • B.resistance • C.aerobics • D.stamina C Which part of the ear contains the vestibular system, which is responsible for balance? • A.The outer ear • B.The inner ear • C.The eardrum • D.The ear canal B Top of Form Which of the following physical activities provides students with the best opportunity for self-expression and social interaction? • A.Chasing • B.Fleeing • C.Dancing • D.Dodging C Which of the following are primarily used by the human body for fuel during the first five minutes of intense exercise? • A.Carbohydrates • B.Fats • C.Proteins • D.Vitamins A Which of the following activities is designed to encourage dramatic play in 3 year olds? • A.Reading aloud from a picture storybook while students are seated on a story rug • B.Creating a dress-up area where students put on costumes and act out scenarios • C.Using poetry to demonstrate rhyming words for the students • D.Asking the students to arrange picture cards in a storyboard format Bottom of Form b What is a physical change? A change in which the form or appearance changes, but no new substances are formed Groups of third-grade students are creating a mural depicting a tree at various seasons of the year. They will depict the creatures that depend on the tree for shelter and food, what the tree gives to each of them, and how to take care of the tree. Which of the following environmental concepts are the students investigating? • A.Community • B.Conservation • C.Population • D.Ecosystem D Of the following combinations of laboratory materials, which is best for determining the volume of a small, irregularly shaped rock? • A.Sand and an electronic balance • B.A piece of string and a ruler • C.Water and a graduated cylinder • D.Rubber bands and a spring scale C The water in Earth's lakes, rivers, and oceans is best described as being part of which of the following? • A.The hydrosphere • B.The atmosphere • C.The lithosphere • D.The magnetosphere A Which of the following activities will best help students understand that sound involves a series of vibrations? • A.Listening to various instruments and comparing the sounds they produce • B.Covering speakers with cardboard and listening to how the volume of music changes • C.Placing grains of rice on top of a drum and observing the result when striking the drum with a mallet • D.Listening to the sounds that wooden blocks make when dropped from different heights C Which of the following best illustrates a physical change? • A.Butter melting on a slice of toast • B.Fireworks being lit for a display • C.A nail rusting after being placed outside • D.A candle burning A Of the following, which process typically causes the most rapid changes to Earth's surface? • A.Weathering of rocks • B.Movement of rocks by glaciers • C.Eruption of volcanos • D.Formation of river deltas C Which of the following activities is most appropriate to help children distinguish between living and nonliving things? • A.Observing how earthworms move through and improve the soil in a worm farm • B.Making a Venn diagram and comparing the characteristics of a robot and a human being • C.Creating a T-chart and listing the common features of a predator and its prey • D.Noting changes over time in an aquatic plant and a fish living in the same fish tank B Which of the following forms of energy is stored in a battery? • A.Kinetic • B.Chemical • C.Heat • D.Nuclear B According to Newton's first law of motion, objects not acted upon by a net force tend to remain at rest or remain in motion as a result of • A.friction • B.inertia • C.tension • D.velocity B Students in a preschool class are asked to use magnifying glasses to examine items they find outdoors. Which of the following basic science skills is emphasized in the activity? • A.Recording data • B.Making inferences • C.Observing • D.Classifying C During a science lesson, a teacher reads aloud from The Magic School Bus On the Ocean Floor by Joanna Cole and Bruce Degen. Which of the following excerpts from the book best describes erosion? • A."Sea urchins crawl on the sea bottom." • B."Oceans cover almost three-fourths of the planet." • C."Water sculpts the earth over time." • D."There is more water than land on Earth." C Which of the following activities best develops agility as skill-related fitness for elementary students? • A.Doing timed short sprints • B.Doing high knee lifts • C.Dropping and catching a ball • D.Weaving in and out through cones Bottom of Form d