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Worksheets7th Grade Chapter 1 Vocabulary
Total questions: 25
Worksheet time: 6hrs 15mins
In science, _____________ is anything that has mass and takes up space.
models
mass
matter
metrics
_____________ is the study of matter and how matter changes.
Chemistry
Biology
Physics
Forensics
A _________________ is a single kind of matter that is pure, meaning it always has a specific makeup or composition.
matter
substance
property
bond
A _____________ property is a characteristic of a substance that can be observed without changing it into another substance.
physical
chemical
literal
unknown
A _____________ property is a characteristic of a substance that describes its ability to change into different substances.
physical
chemical
literal
unknown
A(n) _______________ is a substance that cannot be broken down into any other substances by chemical or physical means.
element
atom
molecule
substance
A(n) ___________ is the basic particle from which all elements are made.
atom
element
molecule
bond
When atoms combine they form a ___________________, which is a force of attraction between two atoms.
new bond
physical bond
chemical bond
unknown bond
A(n) _______________ is a group of two or more atoms held together by chemical bonds.
atom
molecule
substance
element
A(n) _____________ is a substance made of two or more elements.
compound
substance
molecule
element
A compound is represented by a _________________, which shows the elements in a compound and the ratio of atoms.
chemical substance
chemical formula
chemical reaction
chemical bond
A ____________ is made of two or more substances that are together in the same place but their atoms are not chemically bonded.
mixture
substance
molecule
compound
___________ is a measure of the force of gravity on you.
Height
Volume
Weight
Mass
The amount of matter in an object is its ____________
mass
weight
height
volume
To measure the properties of matter, scientists use a system called ___________________________.
International System of Units (SI)
Standard System of Units
Simple System of Units
Common System of Units
The amount of space that matter occupies is called its _____________.
mass
volume
compound
density
____________ is a measure of the mass of a material in a given volume.
Volume
Compound
Density
Mass
A ___________________ alters the form or appearance of matter but does not turn any substance in the matter into a different substance.
physical change
chemical change
energy change
thermal change
A change in matter that produces one or more substances is a ________________.
chemical change
physical change
thermal change
invisible change
The fact that matter is not created or destroyed in any chemical or physical change is called the ________________________.
law of properties of mass
law of volume of mass
law of conservation of mass
law of density of mass
_______________ is a measure of how hot or cold something is.
Energy
Temperature
Mass
Volume
____________ energy is the total energy of the motion of all of the particles in an object.
Thermal
Temperature
Transfer
Tiny
The melting of ice is a(n) ______________________, a change in which energy is absorbed.
thermal change
endothermic change
chemical change
exothermic change
Changes in matter can also occur when energy is given off, ________________ releases energy.
exothermic change
thermal change
endothermic change
physical change
The energy stored in the chemical bonds between atoms is a form of energy called _________________.
physical energy
thermal energy
super energy
chemical energy
