A | B |
The application of science knowledge to practical problems is ______. | technology |
Physical science is the study of ______ | matter and energy |
When physical scientist study the makeup of matter, they are studying the matter's _____. | compostition |
The process of gathering information through the senses is _____. | observation |
A testable prediction is a ______. | hypothesis |
Sound traveling through air is an example of _______ | energy transferred through matter |
When designing an emperiment, the first step is ______. | stating the problem |
A standard for comparison that helps to ensure that the emperimental result is caused by the condition being tested is the _____. | control |
A factor that changes in an experiment from manipulation of the independent variable is the _______. | dependent variable |
A factor that doesn't change in an emperiment is the ______. | constant |
The reason for wearing safety goggles in a lab is to ______. | protect the eyes from harmful substances |
An organized process used to gather observations and test a hypothesis is ______. | experiment |
A rule of principle that describes the behavior of something in nature is a _________. | scientific law |
An explanation of an event that is based on repeated observations and experiments is ________ | theory |
A situation in which the steps needed to find a solution are obvious is _____. | exercise |
An idea, structure, or system that can be used to represent something you are trying to explain is _____. | model |
The light bulb is an example of ______. | technology |
A physical scientist who studies heat and light is working with ______. | energy |
In an experiment to determine if the popping of popcorn is affected by the temperature at which it is stored, counting popped kernels is an example of __________. | observation |
A process that uses certain skills to solve a problem is ________. | critical thinking |