
Molecule
JamWise Education Team·Updated March 2026
Definition
A molecule is two or more atoms bonded together. A water molecule is made of two hydrogen atoms and one oxygen atom.
Learning context
Within the 7th grade science curriculum, "molecule" appears as students explore the natural world through observation and inquiry. At the middle school level, scientific vocabulary is essential for describing phenomena, forming hypotheses, and communicating findings. Mastering this term equips students to participate meaningfully in scientific discussions and laboratory activities.
Topic connection: physical-science
This term belongs to the "physical-science" topic within science. The physical-science strand introduces students to a cluster of related concepts that build on each other across grade levels. Exploring vocabulary within this topic helps students see connections between ideas and develop deeper, more flexible understanding of the subject matter as a whole.
Why music helps students learn vocabulary
Research consistently shows that pairing vocabulary instruction with music improves both recall and long-term retention. When students hear a term like "molecule" embedded in a memorable melody, their brains form stronger associative connections between the word, its meaning, and the emotional context of the song.
JamWise leverages this science by generating curriculum-aligned songs for every K-8 topic. Rather than drilling definitions from a word list, students encounter terms naturally within lyrics, absorbing meaning through context and repetition. Teachers report that students who learn vocabulary through JamWise jams retain terms significantly longer than those using traditional flashcard methods.
Related vocabulary
Atom
An atom is the smallest unit of an element that still has all the properties of that element.
Chemical reaction
A chemical reaction occurs when substances interact to form new substances with different properties.
Conservation of mass
The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction — the total mass stays the same.
Electromagnetic spectrum
The electromagnetic spectrum is the full range of electromagnetic radiation, from radio waves to gamma rays, with visible light in the middle.
Endothermic reaction
An endothermic reaction is a chemical reaction that absorbs heat energy from the surroundings.
Exothermic reaction
An exothermic reaction is a chemical reaction that releases heat energy into the surroundings.
PH scale
The pH scale measures how acidic or basic a substance is, from 0 (very acidic) to 14 (very basic), with 7 being neutral.
Product
A product is a new substance formed as a result of a chemical reaction.
Frequently asked questions
Explore more
physical-science vocabulary
All terms in the physical-science topic
Learn moreScience -- 7th Grade
All science terms for 7th grade
Learn moreFull glossary
Browse all 1,700+ vocabulary terms
Learn moreLearning games
20+ interactive games that reinforce vocabulary
Learn moreFor teachers
How JamWise works in the classroom
Learn more