| A | B |
| a measurement standard is defined as | the exact quantity people agree to use for comparison |
| The variable plotted on the horizontal or x axis is called the | independent variable |
| In a graph showing temperature change of a material over time, temperature change is teh | dependent variable |
| the best type of graph to use to show how some fixed quantity is broken down into parts | circle graph |
| one benefit of the SI system is that it is | based on multiples of 10 |
| A beaker contains 0.32 L of water. What is the volume of this water in milliliters | 320 mL |
| The lightbulb is an example of | technology |
| The process of gathering information through the senses is called | observation |
| When designing an experiment, the first step is to | state the problem |
| A rule or principle that describes what happens in nature is a | scientific law |
| An explanation of an event that is based on repeated observations and experiments is a | theory |
| In an experiment to determine whether the popping of popcorn is affected by the temperature at which it is stored, counting the popped kernels is an example of a(n) | observation |
| A standard for comparison that helps to ensure that the experiment result is caused by the condition of being tested is the | control |
| A factor in an experiment that changes from one manipulation of the independent variable is the | dependent variable |
| A factor that does NOT change in an experiment is the | constant |
| Studying the effect of one thing on another in order to test a hypothesis is a(n) | experiment |
| A factor that is manipulated in an experiment to change the dependent variable is the | independent variable |