Helium Word Search
A free Helium word search you can play straight in the browser. The 12-word list draws on the terms and ideas of a school subject, hidden across a 15×15 grid in every direction. Drag through the letters to mark a word off.
Words to find: HELIUM, ELEMENT, ATOM, PROTON, NEUTRON, ELECTRON, MOLECULE, GASES, PRESSURE, VOLUME, TEMPERATURE, IDEAL.
There is no timer pressure: take as long as you like, and spend a hint if a word will not surface.
Helium word list, defined
- HELIUM /hɪˈliəm/ · noun
- A colourless, odourless, tasteless, non-toxic, inert, monatomic gas. It is a member of the noble gas group of elements. Related: neon, argon, krypton, xenon.
- ELEMENT /ˈɛlɪmənt/ · noun
- A fundamental or essential part of something larger; in chemistry and physics, a substance consisting of atoms all with the same atomic number that cannot be broken down into simpler substances by ordinary chemical means. Related: component, constituent, ingredient, factor.
- ATOM /ˈætəm/ · noun
- The smallest unit of an element that retains the chemical properties of that element, consisting of a nucleus of protons and neutrons orbited by electrons. More broadly, the tiniest conceivable particle or amount of something. Related: particle, molecule, unit, speck.
- PROTON /ˈproʊtɑːn/ · noun
- A subatomic particle that has a positive charge and is found in the nucleus of an atom. It is one of the three main components of an atom, along with neutrons and electrons. Related: ion, particle, subatomic particle, nucleon.
- NEUTRON /njuːtrɒn/ · noun
- A subatomic particle with no electric charge and a mass slightly greater than that of a proton. Neutrons are found in the nucleus of an atom and play a key role in nuclear reactions. Related: proton, electron, ion, nucleus.
- ELECTRON /ɪˈlɛktrɒn/ · noun
- A stable subatomic particle with a negative electric charge, found in all atoms and moving around the nucleus. Electrons are the primary carriers of electricity in solids and are responsible for chemical bonding. Related: negatron, subatomic particle, charged particle, beta particle.
- MOLECULE /ˈmɒljʊkəl/ · noun
- A small group of atoms that are chemically bonded together, representing the smallest unit of a chemical compound that retains the properties of the compound. Related: compound, chemical, substance, element.
- GASES /ˈɡeɪziːz/ · noun
- Substances that have no fixed shape or volume, expanding freely to occupy any space available to them. Related: vapors, fumes, atmosphere, air.
- PRESSURE /ˈprɛʃər/ · noun, verb
- The state of being compressed or squeezed tightly; a strong force that presses or squeezes something. To apply force to something so that it becomes smaller or more compact. Related: stress, force, weight, strain.
- VOLUME /vəˈloʊm/ · noun, verb
- The amount of space that a substance or object occupies or contains; the degree to which a sound is loud. To make or become louder. Related: magnitude, amount, size, loudness.
- TEMPERATURE /ˈtɛm.pə.rət/ · noun
- A measure of the degree of heat or cold in a substance or object, usually expressed in terms of a scale such as Celsius or Fahrenheit. Related: heat, temperature, thermometer, climate.
- IDEAL /ˈaɪdəl/ · adjective
- Having all the qualities necessary for something; perfect or excellent in every way. Serving as a standard or model of excellence. Related: perfect, excellent, superb, outstanding.
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