Terms in Science Terms


  • absorb (3)
  • absorption (1)
  • aftereffect (1)
  • after effect (1)
  • after-effect (1)
  • afterimage (1)
  • after image (1)

    An optical illusion that refers to an image continuing to appear in one's vision after the exposure to the original image has ceased.

  • air (8)
  • air force (1)
  • air force museum (3)
  • air pressure (3)
  • alfred worden (1)
  • alka seltzer (1)
  • al worden (3)

    Al Worden is a former astronaut for NASA. He served as the command module pilot (CMP) on the Apollo 15 moon landing mission.

  • angle (1)
  • anorthosite (2)
  • anthocyanin (1)

    The pigments that make plants red, purple, or blue.

  • apollo (3)

    Apollo was the United States manned space program that had the goal of landing human beings on the moon and returning them safely to Earth. This goal was first accomplished on the Apollo 11 mission in July 1969. The final Apollo lunar landing mission (Apollo 17) took place in December 1972. Additional Apollo spacecraft and astronauts visited the U.S.'s first space station, Skylab, and also performed a joint mission with cosmonauts from the Soviet Union.

  • apollo 15 (3)

    Apollo 15 was the fourth American space mission to land on the moon. Commander Dave Scott and lunar module pilot James Irwin landed in the Apennine Mountains near a deep canyon known as Hadley Rille and brought back many lunar samples, including one known as the "Genesis Rock" for its great age. While they worked on the lunar surface, command module pilot Al Worden remained in orbit around the moon.

  • Ash Cave (1)
  • astronomy (1)
  • autumn (1)

    Autumn is the proper name for the season often called fall, running in the northern hemisphere from about September 22 to about December 22.

  • aviation (1)



  • carbon dioxide (1)
  • carotenoids (1)

    Carotenoids are pigments that give yellow or orange colors to many plants, vegetables, and fruits. In the fall, these pigments show up in the leaves of many trees after the green chlorophyll breaks down.

  • Cedar Falls (1)
  • chemical (1)
  • chemical change (3)

    In a chemical change, the actual chemical makeup of a material is changed, and you cannot get the original material back without another chemical change. Burning wood is an example--you end up with ash and various gases (with heat as a byproduct), but you cannot undo the change to get your wood back.

  • chlorophyll (1)
  • Clifton Gorge (3)

    Clifton Gorge State Nature Preserve is located near Yellow Springs, Ohio.

  • color (7)
  • color wheel (5)
  • cones (1)
  • coniferous (1)

    Coniferous trees have needles rather than broad leaves like deciduous trees. Most coniferous trees retain their needles all year long.

  • cross-link (1)
  • cross-linking (1)
  • crystal (1)


  • dave scott (3)

    David Scott served as the commander for the Apollo 15 moon landing mission in 1971.

  • david scott (1)
  • deciduous (1)

    Deciduous trees are those with leaves that normally change color in the fall and drop from the tree, growing new leaves in the spring.

  • density (5)

    Density is a measure of how tightly packed the molecules are in a substance--the more tightly packed, the higher the density. For example, a brick and an equally-sized piece of styrofoam take up the same space (or volume), but the density of the brick is much higher.

  • design (1)
  • diameter (1)
  • diet pop (2)
  • dish soap (1)
  • dishwashing soap (1)
  • distance (1)
  • disturbance (1)
  • dolomite (2)


  • Earth (1)
  • effervescent (1)
  • electromagnetic spectrum (1)
  • energy (1)
  • energy beads (1)
  • Englewood MetroPark (1)

    The Englewood MetroPark is one of a series of parks in the area of Dayton, Ohio. The Englewood park has a large lake behind a flood control dam, along with numerous hiking trails through woods and meadows.

  • erosion (6)

    Erosion is the carrying away of weathered materials, through water, wind, and ice.

  • expand (1)

    To expand means to grow larger. In science, most materials expand when they are heated and contract (grow smaller) when they are cooled.

  • expansion (1)
  • experiment (2)
  • eye (1)
  • eyes (1)



  • gas (3)
  • gemini (3)

    Gemini was a United States manned space program that bridged the original Mercury program that first got the country into space and the later Apollo missions that landed on the moon. Two astronauts flew aboard each Gemini mission. The program had several goals, all of which were accomplished: learning to rendezvous, or meet up with, another vehicle or object in space; learning to dock, or actually lock up with, another vehicle; learning to work outside the spacecraft in the vacuum of space (known as "extra-vehicular activity," or EVA); and proving that humans could survive in space for the length of time necessary for trips to the moon (up to two weeks total). Ten manned Gemini missions were flown in 1965 and 1966.

  • genesis rock (2)
  • geology (1)
  • geyser (2)
  • g-forces (1)
  • glen helen (1)
  • glen helen raptor center (1)
  • glitter
  • glue (3)
  • goo (2)
  • g-suit (1)
  • guide (1)






  • marble (1)
  • marker (1)
  • markers (1)
  • Mars (1)
  • medium (1)

    In science, the word medium is often used to describe a material through which waves can pass. For example, sound waves travel at different speeds through air, wood, and water, each of which is a different medium.

  • mentos (3)
  • mercury (4)

    Mercury was the name of the first United States manned space program. Six manned Mercury missions flew between 1961 and 1963, each with a single astronaut aboard.

  • Milk (1)
  • mirror (3)

    A flat reflective surface that can bounce light waves off of it.

  • mix (1)
  • molecule (3)
  • molecules (2)
  • moon (5)
  • moon phase (1)
  • museum (1)
  • music (2)





  • radiation (2)
  • rainbow (5)

    A rainbow is formed when white light (such as sunlight) passes through water droplets, ice crystals, or glass. The light rays are refracted, or bent, by different amounts depending upon their wavelength. This has the effect of spreading the white light out into a broad band of the colors making up the white light.

  • raptor (1)
  • red-tailed hawk (1)
  • reed (1)
  • reflect (1)
  • reflection (3)
  • refract (1)
  • refraction (5)

    Refraction means the bending of waves. It is frequently mistaken for reflection, which is the bouncing of waves off of a surface. Refraction happens because waves (such as light waves) travel at different speeds through different materials--as the wave passes from one material, or medium, to another, it bends as it either speeds up or slows down.

  • refraction index (1)
  • rock (2)
  • rocket (6)
  • rods (1)
  • rubbing alcohol (3)



  • ultraviolet (2)

    Ultraviolet radiation is a form of energy. It is higher in energy, and has a shorter wavelength, than the visible light we can see with our eyes. On the electromagnetic spectrum, it lies just past the band of visible light on the violet side. Ultraviolet radiation is responsible for sun burns if you stay exposed to the sun for too long.

  • Uranus (1)
  • UV (1)



Current weather

OH - Dayton / Wright-Patterson Air Force Base

Clear sky
  • Clear sky
  • Temperature: 75.2 °F / 24 °C
  • Wind: Southeast, 4.6 mph
  • Pressure: 1013 hPa
  • Rel. Humidity: 78 %
  • Visibility: 16.1 km
Reported on:
Fri, 08/19/2016 - 20:58