This compound has a chemical formula H2O.
What is water?
A tool that scientists use to see things that are very small that they might not otherwise be able to observe.
What is a microscope?
The most abundant gas in Earth's atmosphere.
What is nitrogen?
The basic metric unit used to measure mass of objects/
What is a gram?
The term used for species of animals or plants that are no longer found living on earth, but once were.
What is extinct?
This subatomic particle has a negative charge, allowing atoms to bond together sometimes.
What is an electron?
This is the outer part of a plant cell that gives the cell is rigid structure.
What is the cell wall?
Water that has vaporized into a gas form.
What is water vapor?
The basic metric unit used to measure volume?
What is a liter?
Coal, oil, or natural gas that forms over millions of years from the remains of ancient organisms, often burned to release energy.
What are fossil fuels?
This is the measure of the mass of a material in a given volume.
What is density?
The organelle within a plant cell that is responsible for photosynthesis.
What is a chloroplast?
A scientific instrument that measures air pressure.
What is a barometer?
The tool used to measure temperature.
What is a thermometer?
The scientific study of heredity.
What is genetics?
The name for the process of changing state from liquid to gas.
What is vaporization?
These are the factors that control a trait in an organism.
What is a gene?
Gases that collect in the atmosphere and absorb heat and reflect it back, keeping it trapped within the atmosphere.
What are greenhouse gases?
This can be expressed in degrees Celcius or degrees Fahrenheit.
An answer to a scientific question that is an educated guess, which can be tested to determine if it is correct.
What is a hypothesis?
This is the name of the process that happens when a solid changes directly to a gas, without becoming a liquid first.
What is sublimation?
This scientist was a famous pioneer in the field of heredity and genetics.
Who was Mendel?
A global change characterized by changing weather patterns and temperature changes on a massive scale, not just in one area.
What is climate change?
A tool that scientists use to measure wind speed.
What is an anemometer?
The condition in which an organism's internal environment is kept stable in spite of changes in the external environment.
What is homeostasis?