Middle School Science Praxis Practice Test Questions and Answers Latest Version 100% Pass

Middle School Science Praxis Practice Test Questions and Answers Latest Version 100% Pass What is one way that heat can be transferred through a solid? Conduction What is the purpose of a food chain in an ecosystem? To show how energy moves from one organism to another What does the term “photosynthesis” describe? The process by which plants use sunlight to make food Why do objects fall to the ground when dropped? Because of the force of gravity What happens to the molecules of a substance when it changes from a solid to a liquid? The molecules move faster and spread apart 2 Why does the Moon appear to change shape throughout the month? Because of the changing positions of the Moon, Earth, and Sun What gas do animals breathe out that plants need for photosynthesis? Carbon dioxide What is the boiling point of water at sea level? 100 degrees Celsius Why does sound travel faster in solids than in gases? Because the molecules in solids are closer together What is the name of the force that opposes motion between two surfaces? Friction What causes tides on Earth? The gravitational pull of the Moon and the Sun 3 Why do metal objects feel colder than wooden ones at the same temperature? Because metals conduct heat away from the skin faster What tool is used to measure the mass of an object? A balance What part of a plant is responsible for absorbing water from the soil? Roots What is the main source of energy for life on Earth? The Sun What is the effect of increasing the slope of a ramp on the speed of a rolling ball? The ball will roll faster Why are some animals active at night instead of during the day? To avoid predators or extreme temperatures 4 What causes a shadow to form? An object blocking the path of light What is the main function of the circulatory system in the human body? To transport blood, nutrients, and oxygen throughout the body What is the primary difference between renewable and nonrenewable resources? Renewable resources can be replaced naturally over time Why does a compass needle point north? Because of Earth’s magnetic field What is the role of decomposers in an ecosystem? They break down dead organisms and recycle nutrients What state of matter has a definite shape and volume? Solid 5 What is the scientific method used for? To investigate and answer questions through