TerraNova Science Practice Test

These questions are part of the practice quiz. Start practicing

• Which particle is massive and positively charged in atomic nuclei?
• What is the difference between a conductor and an insulator in electricity?
• What term describes atoms that have lost or gained electrons?
• What is the boundary between different air masses called?
• Why is it important to repeat tests in an experiment?
• Which instrument would you use to compare two masses directly without a numerical reading?
• Autotrophs that perform photosynthesis, like plants, are called what?
• What role do decomposers play in an ecosystem?
• Which device is used to measure mass?
• What does a circadian rhythm describe?
• Which tool would you use to measure the length of a pencil with the greatest precision?
• Which instrument is a container for mixing or heating liquids?
• Which particle is a lightweight, negatively charged particle in atoms?
• Which state of matter has a definite shape and volume?
• What is the primary role of chlorophyll in plants?
• Which organ acts as a pump to send blood throughout the body?
• In most ecosystems, which type of organism is capable of making its own food through photosynthesis?
• What describes an ecosystem?
• Which instrument provides a digital readout to measure mass?
• Which instrument is used to measure temperature in degrees Celsius or Fahrenheit?
• The oceanic crust is best described as which of the following?
• Which statement best describes photosynthesis?
• Which process uses sunlight, water, and carbon dioxide to produce glucose in plants?
• What is the primary function of the small intestine?
• Sedimentary rock formation occurs through burial and compaction. Which phrase best describes this?
• Where do most fish typically live?
• In the water cycle, which process describes water vapor turning into liquid droplets?
• Which instrument magnifies distant celestial objects?
• The boundary between contrasting air masses is known as what?
• Which process helps plants form new cells?
• Which term describes the amount of space that a three-dimensional object occupies?
• Which process describes heat transfer through direct contact between materials?
• Which instrument measures length in centimeters or inches?
• The continuous transformation of rocks through cycles of formation, alteration, and destruction is described by:
• Which particle is neutrally charged in atomic nuclei?
• The process of sediment accumulation over time is called?
• Which crust is thicker and less dense, forming continents?
• In an ecosystem, which organism is most directly responsible for converting sunlight into chemical energy?
• Movement of Earth's plates causing geological changes is called:
• Which organ system is primarily responsible for transporting nutrients and oxygen to cells?
• Which instrument is best for measuring an object's mass when precision is important and you want a digital display?
• How does a plant’s stomata help it survive?
• Which instrument would you use to measure the volume of a liquid with marked increments?
• Which term refers to gases that trap heat in the atmosphere?
• Which of the following is a classic example of a simple machine?
• What is the cell division process responsible for growth and tissue repair?
• Which instrument is used to measure wind speed?
• What is the correct sequence of steps in the water cycle?
• Which description defines a habitat?
• Which statement best describes natural selection?
• Which statement best explains how sound is produced when an object vibrates?
• Soil erosion impacts ecosystems by which of the following?
• The process where water vapor turns into liquid is called?
• What property of matter is used to describe whether a substance will float or sink in water?
• Which statement about temperature and solar heating is true?
• An example of a circadian rhythm is which of the following?
• Which instrument measures air pressure?
• Which instrument indicates wind direction in cardinal points?
• Which instrument uses three beams to measure mass accurately?
• What is the charge of a proton?
• What are the negatively charged subatomic particles in atoms called?
• The height of ocean tides changes primarily due to which factors?
• An object has a mass of 2 kg and a volume of 1 liter. What is its density?
• Which instrument magnifies small objects for detailed study?
• Which term describes the goal of recycling?
• Gas trapping heat in Earth's atmosphere is caused by what?
• An event occurs when Earth is between the Sun and Moon?
• Which seed has adapted to being carried by water?
• Which term describes organisms that break down dead matter and waste products?
• What term describes an atom that has no net electric charge?
• The energy source for the water cycle comes from?
• What is Newton's First Law of Motion commonly called?
• In the water cycle, which process involves water vapor becoming liquid?
• What are the positively charged subatomic particles in atoms called?
• Which of the following is a physical change?
• In a simple food chain, if a rabbit is the primary consumer, what is the role of the fox that eats the rabbit?
• Which process can remove electrons from objects by rubbing them together?
• Which crust is thin and dense and lies beneath ocean waters?
• How does heat transfer by convection occur in fluids?
• Which term describes the energy source for the water cycle?
• Which description best defines a chemical property?
• What process enlarges cracks in rocks when water freezes and expands?
• What is the primary purpose of having a control group in an experiment?
• Which organ is primarily responsible for waste removal from the blood?
• The day-night cycle is a result of which planetary motion?
• Which metric unit would you use to measure the mass of a small insect?
• Which instrument would you use to observe the details of a very small object?
• Which roofing characteristic helps a building stay cool during hot summer months?
• Which instrument measures force in Newtons (N)?
• Why do leaves appear green?
• What is the process called when water changes from liquid to gas?
• In a food chain, if a rabbit is the primary consumer, what role does the fox that eats the rabbit play?
• Which instrument measures elapsed time in seconds?
• What is a producer in an ecosystem?
• Which geological process reshapes Earth's surface through explosive events?
• Why is soil erosion a concern for ecosystems?
• The process that forms deposits of sediment carried by rivers is known as:
• What term describes the amount of space an object takes up?
• Which statement best describes ions?
• What is the advantage of white fur in rabbits?
• Which is a physical change?
• How do you calculate density?
• What is the main reason scientists repeat experiments?
• Which instrument is commonly used to hold liquids during experiments?
• What does the endocrine system regulate?
• Which process describes wind flow influenced by temperature differences?
• Which term refers to the habitat of fish?
• What is the purpose of recycling?
• Which statement best describes charge interaction?
• Which metric unit measures weight or mass?
• Gnats take about how long to mature?
• The movement of fluid due to temperature differences is called?
• What is the metric unit used for measuring length?
• What is the function of chlorophyll?
• The natural phenomenon described by the gravitational interaction between Earth and Moon is what?
• Which of the following is NOT listed as a main component of soil?
• In what state of matter are particles most tightly packed?
• How do vibrating objects produce sound?
• How does gravity affect motion on Earth when air resistance is negligible?
• What is the difference between renewable resources and nonrenewable resources?
• Atoms that have lost electrons and become positively charged are called.
• Fossils most commonly form in which rock type?
• Which instrument would a scientist use to observe distant stars?
• How do fossils provide evidence about Earth’s past?
• The term that describes the transformation among metamorphic, sedimentary, and igneous rocks is:
• Which statement best describes photosynthesis?
• Which organ filters waste from the blood and regulates water balance?
• The geologic process driven by the movement of Earth's tectonic plates is:
• The formation of sedimentary rocks typically begins with:
• Which molecule serves as the main energy currency produced by mitochondria during cellular respiration?
• Why is reproducibility essential in science?
• Which process do plants use to convert sunlight into glucose?
• What is the primary function of plant roots?
• Which tool is used to measure humidity levels?
• What is the charge of an electron?
• What is the main source of energy for most organisms in an ecosystem?
• Which planet is known for its prominent ring system?
• The cell membrane is primarily composed of which structure?
• Which process is most responsible for forming sedimentary rocks?
• What term describes a well-supported explanation of a phenomenon?
• Which process results in two genetically identical daughter cells?
• What tool is used to measure mass?
• Why are control variables important in experiments?
• What is the term for ice movement that wears down rock surfaces?
• Movement of air caused by temperature differences is known as what?
• What is the primary purpose of a control group in an experiment?
• Which instrument would you use to monitor weather by determining wind direction?
• The gravitational pull of the Moon causes what ocean phenomenon?
• Which organ is the main site of nutrient absorption?
• Fossils provide evidence about Earth’s past by showing what?
• What term describes long-term atmospheric conditions in a region?
• In the water cycle, which process typically follows evaporation?
• Which term describes long-term atmospheric patterns including typical temperatures and precipitation?
• Increase in atmospheric carbon dioxide levels is a factor in what broader phenomenon?
• Which instrument measures rainfall in millimeters?
• Which gas do plants take in during photosynthesis?
• During which cell division do two genetically identical daughter cells form for growth and tissue repair?
• Which term describes camouflage in snowy environments?
• What is the function of the mitochondria in a cell?
• Which statement about energy flow in ecosystems is most accurate?
• Which term describes the movement of fluids driven by temperature differences, such as in the atmosphere and Earth's mantle?
• How do weathering and erosion differ?
• If Pond 2 has 10 more perch than Pond 1, what is this difference called?
• Which instrument measures liquid volume?
• Which process involves deposition of sediment by flowing water?
• What is the term for a visual representation of data using pictures?
• What is the purpose of the geologic time scale?
• Water released from clouds as rain or snow is called?
• What phenomenon occurs when the moon blocks the sun?
• Which statement best describes the difference between a fact and an inference?
• Which statement defines a simple machine?
• Which component of weather is most closely related to the sun’s heating of the Earth’s surface?
• In the water cycle, which process involves liquid water turning into water vapor?
• Which instrument measures humidity levels in percentage?
• Which statement lists the main components of soil?
• What primarily determines Moon phase visibility from Earth?
• Which structure controls the movement of substances into and out of a cell?
• The crust that forms the continents is which?
• Name the simple machine that can multiply force.
• What is a method to reduce bias in scientific observations?
• What is a chemical property?
• Earth's seasons are caused by which factor?
• Which instrument compares the mass of two objects?
• The continuous movement of water in various forms is called?
• Which scenario best illustrates natural selection?
• What term describes the global, long-term rise in Earth's average temperature due to greenhouse gases?
• In a scientific investigation, what is a hypothesis?
• Which metric unit measures volume?
• Which subatomic particle is located in the nucleus and has no electric charge?
• What energy source powers the water cycle?
• Which rock type is commonly associated with fossils because it preserves them?
• Which process moves rocks and soil from one location to another?