| A | B |
|---|
| The plant in the windowsill has five flowers is an example of a _____ observation. | quantitative |
| The information that you gather in your experiment is called your ____. | data |
| The science that seeks to understand the living world is called ___. | biology |
| A logical interpretation based on prior knowledge and experience is called a(n) ____. | inference |
| A proposed scientific explanation for a set of observations is called a(n) ____. | hypothesis |
| Data that is recorded as descriptions is called ____ data | qualitative |
| Data that is directly measured and recorded as a number is called ____ data. | quantitative |
| The following two statements are about the same man. Which of the two statements is an observation and which is an inference? A) The man was tired. B) The man's heartrate was 140 beats per minute. | Statement A was an inference, while statement B is an observation. Usually, people whose heartrates are high are tired, but the man could have also just received a big fright. |
| Who makes decisions on what to do based on scientific data (for instance, what to do when scientists say that certain types of pollution cause global warming)? | You, the voter. Scientists only make recommendations and politicians only listen to people who vote. |
| Based on his _____, Redi made the prediction that keeping flies away from meat would prevent the appearance of maggots. | hypothesis |
| The name given to the idea that life could arise from non-living matter is called ____. | spontaneous generation |
| In science, a ____ is a well tested explanation that unifies a broad range of observations. | theory |
| A highly probable, well tested, comprehensive explanation, usually for a large collection of observations, is known as a ___. | scientific theory |
| In an experiment to see which type of fertilizer causes plants to grow the fastest, the growth of the plant is the __________ variable. | responding (the growth of the plant responds tp the type of fertilizer) |
| In an experiment to see which type of fertilizer causes plant to grow the fastest, the type of fertilizer is the _____ variable. | manipulated (the type of fertilizer applied is manipulated by the scientist to see what effect the different types will have on the responding variable, which is how much the plants grow) |
| The variable that is changed by the researcher before an experiment starts (such as the amount of water a plant will be receiving) is known as the ____ variable. | manipulated |
| The variable that is measured during the experiment to determine the results (such as the height that a plant grows during the experiment) is known as the ______ variable | responding |
| In a controlled experiment there is only one ______ | manipulated variable. |
| For an experiment to be considered "controlled" there must be exactly _____ manipulated variable. | one |
| If a drug company was trying to find out whether a new medicine kept you from getting sick, half of the test subjects would get the medicine and the other half would get a fake pill but not know they were getting a fake pill. This last group would be considered the _____ group. | control group |
| In an experiment where you are trying to find out how bright indoor grow lights should be in order to cause the best plant growth, things like temperature, the amount of water, and the type of soil used need to be ____. | controlled variables (held constant for all groups) |
| After an experiment, data is analyzed to conclude whether the ____ was supported or refulted. | hypothesis |
| Scientific theories are ____ tested. | well |
| Which of the characteristics of life best explains why bears hibernate when it starts to get cold? | Living things respond to their environment. |
| Cell specialization in multicellular organisms allows cells to ____. | perform different functions |
| The process by which organisms regulate their internal conditions to keep them fairly constant is called ___. | homeostasis |
| A group of organisms of the same type living in the same area is called a ___. | population |
| A group of many different types of organisms living together in the same area is called a ___. | community |
| Most multicellular organisms reproduce ____. | sexually |
| Most unicellular organisms reproduce ___. | asexually |
| A biologist who studies plants is called a ___. | botanist |
| A biologist who studies animals is called a ___. | zoologist |
| A biologist who studies ancient life is called a ___. | paleontologist |
| The largest level at which organisms can be studied is at the level of the ___. | biosphere |
| The combination of chemical reactions through which an organisms builds up or breaks down material is called ____. | metabolism |
| The smallest thing that can be considered to be living is a ___. | cell |
| An organism that is made of only one cell is called a _____ organism. | unicellular |
| The directions for how an organism grows and develops is coded into a molecule called ____. | DNA |
| Changing form as an organism grows is called ___. | development |
| Something that an organism responds to is called a ____. | stimulus |
| When one type of organism changes over very long periods of time (many many generations), it is called ____. | Evolution |
| Groups of atoms bonded together are called ____. | molecules |
| Groups of cells can be organized into ____, _____, and ____. | tissues, organs and organ systems |
| All the living and non-living things in an area are called _____. | an ecosystem |
| What is the freezing point of water in Celsius? | zero |
| What is the boiling point of water in Celsius | 100 |
| The metric system is based on multiples of ____. | ten |
| The basic unit of length in the metric system is the ____. | meter (1 meter is about 1.1 yards in length) |
| The basic unit of mass in the metric system is the ___. | gram (there are 28 grams in an ounce) |
| The basic unit used to measure volume in the metric system is the ___. | liter (1 liter is slightly larger than 1 quart). |
| Scientists use ____ to help them recognize patterns in their data. | graphs |
| The type of microscope that most high school students use is called a ____. | compound light microscope,  |
| Which type of microscopes must be used if you want to magnify objects more than 1000 times, up to 250,000 times? | electron microscopes |
| Which type of electron microscope produces very detailed 2-dimensional images? | TEM (transmission electron microscopes),  |
| Which type of electron microscopes produce 3-dimensional images of the surface of objects? | SEM (scanning electron microscopes),  |
| Electron microscopes can't observe ___ cells. | living |
| A _____ is a group of identical cells grown in a petri dish filled with a nutrient solution. | cell culture |
| If you want to study just one part of a cell, you can put the cells into a blender to break them up, then into a _____ which spins around very quickly, causing the densist parts to separate and settle to the bottom of the test tube. This separates the cell parts by density in a process called ____. | centrifuge, cell fractionization |
| What is the single most important safety procedure in the lab? | Always follow your teachers written and verbal instructions exactly. |
| Because biologists might come in contact with microscopic disease causing organisms that they can't see, an important safety procedure to follow is to ___ . | always wash your hands after you are finished |
