Environmental Science review

An archer is shooting arrows at a target. Which of the following demonstrates low precision but high accuracy?

• Consistently hits somewhere on the target but not the bullseye

• Consistently hits around the bullseye

• Consistently hits the upper left corner with all arrows

• Misses the target repeatedly with no specific consistency

Sebastian buys 5 bags of candy. On the package, it says that each bag contains 100 pieces of candy. He notices that none of the bags have 100 pieces of candy; instead, they all have either 97 or 98. Which of the following best describes the bags of candy?

• Neither accurate nor precise

• Both accurate and precise

• Precise, but not accurate

• Accurate, but not precise

Which of the following is the variable that is measured?

• . Controlled variable

• Independent variable

• Dependent variable

Which of the following is the variable that is manipulated by the scientist during the experiment?

• Controlled variable

• Independent variable

• Dependent variable

Most of water’s properties occur because it is _____________.

• A polar covalent molecule

• Made with oxygen

• Make up 75% of the Earth

What is the correct term for rising water vapor meeting colder air and turning back into water droplets?

• Dehydration

• Evaporation

• Condensation

• Precipitation

Jack notices a puddle of water on his way home from school. The next day the puddle is gone. What most likely happened to the puddle of water?

• It melted

• It condensed

• It infiltrated

• It evaporated

Which of the following does not produce carbon dioxide?

• Photosynthesis

• Burning fossil fuels

• Animal respiration

• Plants decaying

When excess nitrogen builds up and causes excessive growth and lack of oxygen for living things, it is called ________________

• Nitrification

• Eutrophication

• The carbon cycle

• Denitrification

Phosphorus does not travel through which area of Earth’s environment?

• Rock

• Atmosphere

• Living things

• Water