Semester 1 Test Vocabulary practice an educated guess
Semester 1 Test Vocabulary practice
an educated guess about a situation that is based on observation and prior knowledge inference
the spinning of an object on an axis rotation
matter with a definite, uniform, chemical composition substance
the highest tidal range that occurs when Earth, the Moon, and the Sun form a straight line (2 wds) spring tide
stored energy due to the interactions between objects or particles (2 wds) potential energy
a change in the state of matter due to the increase or decrease of thermal energy (2 wds) phase change
the sum of the kinetic energy and potential energy of the particles of an object (2 wds) thermal energy
a natural satellite that orbits an object other than a star moon
in a chemical reaction, the reactants must equal the products (5 wds) Law of Conservation of Matter
the Moon passes directly behind the Earth through Earth’s shadow (2 wds) lunar eclipse
the transfer of heat by the movement of a liquid or gas convection
the variable in an experiment that reacts to change made by the investigator (2 wds) dependent variable
the orbit of an object around another object revolution
the movement of the Moon that casts a shadow on Earth, blocking out the Sun’s light (2 wds) solar eclipse
energy cannot be created or destroyed, only changed into different forms (5 wds) Law of Conservation of Energy
Moon phase that is less than full, but more than half illuminated (2 wds) gibbous moon
a force affected by the mass of the objects and distance between them (2 wds) gravitational pull
a small particle that is the building block of matter atom
change in composition of a substance that cannot be undone by physical means chemical change
a characteristic of matter that can be observed without changing the identity (2 wds) physical property
the transfer of thermal energy by electromagnetic waves radiation
the mass per unit volume of a substance, mass divided by volume density
the ability or inability of a substance combine with or change into one or more substances (2 wds) chemical property
a large sphere of gas held together by gravity that is hot enough for nuclear reactions to occur at its core star
a name used to describe the collection of all known things in space universe
a substance that cannot be broken down into simpler substances by ordinary chemical changes; consists of atoms of only one type element
the variable in an experiment that the INVESTIGATOR or I change (2 wds) independent variable
the arrangement, type, and ratio of atoms in molecules of substances composition
things in an experiment that must remain the same to provide validity constant
the part of the experiment that is a prediction of the outcome hypothesis
descriptions based on the senses (2 wds) qualitative observation
a change that does not alter the identity of substance (pizza is still pizza after it is cut in slices) physical change
the method of determining the volume of an irregularly shaped object (2 wds) displacement volume
energy due to motion (2 wds) kinetic energy
descriptions based on numbers (uses tools, counting, etc. ) (2 wds) quantitative observation
the transfer of thermal energy due to contact between objects conduction
a period of a year distinguished by climate conditions; determined by the axial tilt and position in Earth’s orbital path seasons
moon phase where less than one-half, but more than of the moon is lit; small arc shape of moon is lit (2 wds) crescent moon
the collection of objects (planets, moons, asteroids, etc. ) orbiting a star (2 wds) solar system
the lowest tidal range that occurs when Earth, the Moon, and the Sun form a right angle (2 wds) neap tide
a collection of stars, gas, and dust galaxy
- Slides: 42
