12 Questions
Matter is the physical ______ that makes up the observable universe.
substance
Solids have a fixed ______ and shape.
volume
The amount of ______ in an object is measured in units like grams or kilograms.
matter
The ratio of an object's mass to its ______ is known as density.
volume
When a solid transitions to a liquid, it is called ______.
melting
Elements are the fundamental building ______ of matter.
blocks
The smallest units of an element are called ______.
atoms
Groups of ______ bonded together form the basic units of compounds.
atoms
Particles found in the nucleus of an atom that are positively charged are called ______.
protons
Changes that result in the formation of new substances with different chemical properties are called ______ changes.
chemical
Understanding the properties of ______ has enabled the development of many technologies.
matter
Proper management and conservation of ______ is crucial for environmental protection and sustainable development.
matter
Test your knowledge of the physical states of matter, including solids, liquids, and gases, and their properties.
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