a change that produces 1 or more new substances is called a PHYSICAL CHANGE
What is False chemical change
100
Soil, a salad, and sugar water are all examples of
mixture
100
The energy of matter in motion is called
What is kinetic energy
100
the tarnishing of metal is an example of a _____________ change
What is chemical
100
Substances that can not be broken down chemically into other substances are
What is elements
200
an object's MASS is measured by the amount of gravity acting on the object
What False weight
200
Lemonade consists of several substances that are not chemically combined, so lemonade is classified as a
What is mixture
200
radio waves, visible light from the sun, infrared rats from heat lamps, the waves that heat food in a microwave oven, ultraviolet rays, and x rays are all considered types of
What is electromagnetic energy
200
___________ is a measure of the average energy of random motion of particles of matter
What is temperature
200
The measurement of how much mass is contained in a given volume is called
What is density
300
The smallest particle of an element is called an atom
What is true
300
Name a SI unit for mass
What is gram, kilogram
300
The change in which ice absorbs energy and melts is a
What is endothermic
300
Every form of matter has two kinds of properties physical properties and __________ properties
What is chemical
300
What holds two atoms together in a molecule
What is chemical bonds
400
a substance that goes through a CHEMICAL change is the same substance after the change
What is False physical
400
table sugar and salt are are examples of
What is pure substance
400
The ability to do work or cause change describes
What is energy
400
a ______________ is a group of two or more atoms that are held together by chemical bonds
What is molecule
400
anything that has mass and takes up space is
What is matter
500
During photosynthesis, plants transform electromagnetic energy from the sun into CHEMICAL energy as they make molecules of sugar
What is true
500
The internal energy stored in the bonds between atoms is a form of potential energy that is sometimes called
What is thermal energy
500
If you heat a liquid and measure the temperature at which it boils, you are measuring a
What is physical property
500
a rubber band pulled tight and about to snap has ____________ energy