Cells, Tissues, Organ Systems
What are the tiny building blocks that make up all living things?
Cells
What simple machine is used to hold things together, like a jar lid?
Screw
This network carrying surface water is fresh water, is fed by smaller tributaries, and typically empties out into a lake or the ocean.
River
This property of fluids describes how "thick" or "thin" a fluid is.
Viscosity
What tool do scientists use to look at things too small to see with your eyes?
Microscope
What part of the cell gives it energy and is called the “powerhouse”?
Mitochondria
What is the name of the push or pull that makes something move?
Force
We can calculate this property of a substance by dividing its mass by its volume.
Density
What do we call an educated guess in an experiment?
Hypothesis
What simple machine helps lift things by turning, like a flagpole rope?
It is the choppy airflow that causes people to feel queasy on an airplane ride.
Turbulence
This global warming phenomenon is named after a glass building used to provide light and heat to grow plants. It is responsible for climate change.
Greenhouse Effect
This planet is the closest to the sun in our solar system.
Mercury
What body system helps remove waste from your blood using the kidneys?
Excretory system
What kind of simple machine helps you lift a heavy object with less effort?
Lever
What is the process where water falls from the sky as rain or snow?
Precipitation
What state of matter flows and takes the shape of its container?
Liquid
This is a table of the chemical elements arranged in order by atomic number so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.
Periodic table
What is the name of the molecule that carries your genetic information?
DNA
It can be described as the study of people's efficiency in their working environment, and may involve, for example, designing a chair that is comfortable, good for your health, and user-friendly.
Ergonomics
How many lakes does Canada have and name them!
5 Great Lakes, Superior, Michigan, Huron, Erie, and Ontario
This advanced form of water purification involves forcing water through a man-made semi-permeable membrane to trap and remove impurities.
What is reverse osmosis?
What is the name for something in an experiment that stays the same?
Constant or Controlled Variable