1.
Solute The substance that is dissolved in a solution.
2.
Water: A compound made of hydrogen and oxygen that is essential for life.
3.
Bladder: An organ that stores urine before it leaves the body.
4.
Excretory System: The body system that removes waste products from the body.
5.
Potable: Safe to drink.
6.
Infrared Waves: Electromagnetic waves with wavelengths longer than visible red light.
7.
Crest: The highest point of a wave.
8.
Red Blood Cells: Blood cells that carry oxygen throughout the body.
9.
Newton: The SI unit used to measure force.
10.
Diffuse Reflection: Reflection of light from a rough surface that scatters light in many
12.
Non-Luminous: Does not produce its own light.
13.
1st Class Lever: A lever with the fulcrum between the effort and the load.
14.
Solvent: The substance that dissolves a solute to form a solution.
15.
Tsunami: A series of large ocean waves usually caused by underwater earthquakes.
16.
Linkage: A system of connected levers or rods used to transfer motion.
17.
Buoyancy: The upward force exerted by a fluid on an object.
18.
Heart: A muscular organ that pumps blood throughout the body.
19.
Platelets: Blood components that help stop bleeding by forming clots.
20.
Distillation: A process used to separate substances based on differences in boiling points.
21.
Radio Waves: Electromagnetic waves with the longest wavelengths, used for communication.
22.
Dilute Solution: A solution containing a relatively small amount of solute.
23.
Hubble Space Telescope: A space telescope that orbits Earth and captures images of distant
25.
Frequency: The number of wave cycles that pass a point in one second.
26.
3rd Class Lever: A lever where the effort is applied between the fulcrum and the load.
27.
Compressibility: The ability of a substance to be squeezed into a smaller volume.
28.
Viscosity: A measure of a fluid's resistance to flowing.
29.
Skin: The body's largest organ that protects against injury, infection, and water loss.
30.
Continental Divide: A natural boundary separating river systems that flow to different oceans.
31.
Chinook: A warm, dry wind that descends the eastern slopes of the Rocky Mountains.
32.
Transmission: The transfer of energy, waves, or information from one place to another.
33.
Louis Pasteur: A French scientist known for developing pasteurization and advancing germ
35.
Density: The amount of mass in a given volume of a substance.
36.
Concentration: The amount of solute dissolved in a given amount of solution.
37.
Luminous: Producing or emitting its own light.
38.
Salinity: The amount of dissolved salt in water.
39.
Regular Reflection: Reflection of light from a smooth surface, producing a clear image.
40.
Bones: Hard structures that support and protect the body.
41.
Archimedes' Screw: A machine used to lift water by turning a spiral-shaped surface inside a
43.
Reflective Telescope: A telescope that uses mirrors to gather and focus light.
44.
Digestive System: The body system that breaks down food and absorbs nutrients.
45.
Saturated Solution: A solution containing the maximum amount of dissolved solute at a given
47.
Thermal Pollution: A change in water temperature caused by human activities that can harm
49.
Incandescent Light: Light produced by heating a filament until it glows.
50.
Climate: The long-term pattern of weather in a particular region.
51.
Refractive Telescope: A telescope that uses lenses to gather and focus light.
52.
Edward Jenner: An English doctor who developed the first successful vaccine for smallpox.
53.
Microwaves: Electromagnetic waves used in cooking, communication, and radar.
54.
Wedge: A simple machine with two sloping sides used for splitting or cutting.
55.
Valve: A device that controls the flow of a liquid or gas.
56.
Fluorescent Light: Light produced when electricity excites gas inside a tube, causing it to glow.
