Lanthanum Word Search
A free Lanthanum 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: LANTHANUM, LANTHANIDE, ELEMENT, METAL, ATOM, NUCLEUS, PROTON, NEUTRON, ELECTRON, PERIODIC, CHEMISTRY, REACTION.
Every word on the list appears exactly once. Words can run forwards or backwards, so scan both directions before you move on.
Lanthanum word list, defined
General dictionary meanings, not specific to this puzzle's theme.
- LANTHANUM /ˈlænθənəm/ · noun
- A silvery-white metallic chemical element of the lanthanide series, with atomic number 57 and symbol La. It is relatively soft and reacts with water, oxygen, and other substances.
- LANTHANIDE /ˈlænθənaɪd/ · noun
- Any of the 15 chemical elements that follow lanthanum in the periodic table, also called the lanthanide series. The group includes cerium through lutetium and is commonly associated with the rare-earth elements. Related: lanthanoid, lanthanum series element.
- 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.
- METAL /ˈmɛt(ə)l/; British /ˈmet(ə)l/ · noun; also adjective and verb
- A metal is a relatively tough, lustrous, and malleable substance, such as iron, copper, gold, or aluminum, that conducts heat and electricity and is usually lustrous in its pure form. The word also names a genre of popular music characterized by amplified guitars, heavy rhythms, and vocals. Related: alloy, steel, metallic material, metalwork.
- 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.
- NUCLEUS /ˈnuːkliəs/ · noun
- A nucleus is the central, typically rounded part of an atom or biological cell, containing genetic material and playing a central role in the cell's activity. More broadly, the term refers to a central, fundamental, or defining part of something. Related: core, center, centre, heart.
- PROTON /ˈprəʊtɒn/ (British); /ˈproʊtɑːn/ (American) · noun
- A positively charged subatomic particle found in the nuclei of atoms. In South Asian English, the word can also mean a person who supports a proposal, policy, or candidate. Related: hydrogen-1 nucleus, positively charged baryon, hydrogen nucleus.
- NEUTRON /ˈnjuːtrɒn/ · noun
- A neutral, electrically uncharged subatomic particle found in the nucleus of an atom and having a mass slightly greater than that of a proton.
- 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.
- PERIODIC British /ˌpɪə.rɪˈɒd.ɪk/; US /ˌpi.əˈrɑː.dɪk/ · adjective
- Occurring at regular intervals or according to a recurring pattern; cyclical. In technical contexts, it can also mean relating to a recurring cycle, especially in mathematics, science, or chemistry. Related: regular, recurrent, recurring, cyclical.
- CHEMISTRY /ˈkɛmɪstri/ · noun
- The branch of science concerned with the substances of which matter is composed, their properties, reactions, and the ways in which they interact, combine, and change. It also figuratively denotes a powerful mutual attraction or rapport between people. Related: science of matter, chemical science.
- REACTION /riˈækʃən/ · noun
- A response by a person, organism, chemical system, or other entity to a stimulus, circumstance, or event. The word can also refer to the way in which people respond to a situation, especially emotionally or politically. Related: response, reply, answer, backlash.
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