Play free online On This Day word search puzzles in your browser. Find hidden words themed around On This Day — no download or signup required. Choose Quick, Easy, Tough, or Champ difficulty and track stars as you clear each pack.
This theme includes about 9 puzzles across difficulty levels.
An optical instrument that forms a magnified image of distant objects, typically using a combination of lenses or mirrors. A device used for observing distant objects in the sky, such as stars, planets, and galaxies. Related: binoculars, microscope, spectacles, glasses.
NAVIGATOR/ˈnævɪɡeɪtər/ · noun
A person who navigates, especially one who steers a ship or aircraft. A person who uses a computer or mobile device to access and use the internet. Related: pilot, steersman, helmsman, navigator.
SYMPHONY/ˈsɪmfəni/ · noun
A long piece of music for orchestra, typically in several movements, or a combination of different sounds or elements that work together to create a harmonious whole. Related: orchestra, harmony, music, composition.
COMPASS/kəmˈpæs/ · noun
A navigational instrument that indicates direction, typically with a magnetic needle or digital display. A device used to guide or direct someone or something. Related: direction finder, bearing indicator, navigator, guide.
GALLERY/ˈɡæləri/ · noun
A room or building where works of art are exhibited; a series of photographs or illustrations displayed together. Related: exhibition, display, showcase, museum.
ENGINE/ɪnˈdʒɪn/ · noun, verb
A machine, especially one powered by an internal combustion engine or electricity, used for propulsion, movement, or operation. To use one's energy or resources to achieve a goal or effect something. Related: motor, machine, mechanism, device.
PLANET/ˈpleɪnt/ · noun
A large body that orbits around a star, such as the Sun, and is large enough to be rounded by its own gravity. A celestial body that is not a satellite. Related: world, orb, sphere, celestial body.
SPECTRUM/ˈspekt.rəm/ · noun
A range of colours or a series of frequencies, especially of light or sound. A range of something, such as opinions or abilities. Related: range, series, band, scale.
CANVAS/kænvəs/ · noun, verb
A piece of fabric, typically cotton or linen, stretched on a frame or attached to a board, used for painting or other artistic purposes. To create or work on a plan or design, especially a detailed one. Related: fabric, cloth, painting, drawing.
VOYAGE/voʊɪɪʒ/ · noun, verb
A long journey or trip, especially by sea or air. To travel or journey, especially by sea or air. Related: journey, trip, excursion, expedition.
EXPLORATION/ɛksplɔːˈreɪʃən/ · noun
The act of exploring or the state of being explored; a systematic search for knowledge or information. Related: investigation, discovery, research, examination.
THEORIST/θɪərɪst/ · noun
A person who forms or expresses opinions or theories about a subject, especially one who is an expert in a particular field. Related: expert, scholar, theorizer, analyst.
MELODY/ˈmɛlədi/ · noun
A succession of single tones heard in succession, typically in a musical composition, or a succession of musical notes forming a pleasing combination. A musical idea or theme. Related: tune, air, theme, motif.
MICROSCOPE/ˈmaɪkrəskoʊp/ · noun
An optical instrument used for magnifying small objects or details, typically consisting of a lens or a combination of lenses and a light source. Related: telescope, binoculars, magnifying glass, ophthalmoscope.
PENICILLIN/ˌpɛnɪˈsɪlɪn/ · noun
A type of antibiotic produced by certain species of mold, used to treat bacterial infections. Penicillin works by inhibiting the growth of bacteria. Related: antibiotic, medicine, antibacterial, antimicrobial.