Science Lesson 1 matter grade 5 Flashcards
anything that takes up space and has mass
matter
a measure of the amount of matter in an object
mass
the measure of how much space an object takes up
volume
a measure of how gravity pulls on an object
weight
the amount of matter in a certain volume of a substance
density
the upward push of a liquid or a gas on an object place in it
buoyancy
smallest unit of the element that has the properties of the element
atom
a particle that contains more than one atom joined together
molecule
a pure substance that cannot be broken down into any simpler substances through chemical reactions
element
a substance that is formed by the chemical combination of two or more elements
compound
Physical properties of matter can be both:
observed and measured
All matter is made up of tiny ____.
particles
The more mass an object has the more ____ it has.
weight
____ stays the same because the amount of matter in the object does not change.
Mass
Volume describes how _____ or _____ an object is.
large or small
Density shows the relationship between ___ and ____.
mass and volume
Density determines whether an object will ____ or _____.
sink or float
the ability of matter to dissolve in a liquid
solubility
how well electricity can move through a material
electrical conductivity
a material that transfers heat or electricity easily
conductor
a material that stops or slows the flow of energy, such as electricity or heat
insulator
Name good conductors
copper, gold, iron, silver
name good insulators
wood, glass, plastic
a measure of how well a material conducts thermal energy
thermal conductivity
