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| Process that produces sex cells |
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| The passing of traits from parents to offspring |
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| Two forms of the same gene |
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| The inherited combination of alleles |
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| ___used plants to study genetics |
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| Trait that always appears is F1 |
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| Trait that seems to recede into the background of F1 |
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| To solve a problem, scientists use ____ |
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| Not an example of technology |
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| Describe an engineer's job |
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| Mass-producing new medicine |
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| What is an example of brainstorming |
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| Quality control measurements |
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| What is regulated by government agencies |
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| Meeting ethical standards in product testing |
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| Before an engineer can build something, a scientist must ___ |
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| The first name of the organism's scientific name is the ___ |
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| The modern classification system separates organisms into __ kingdoms |
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| Linnaeus's system gave how many names to each organism |
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| Living things come from nonliving things |
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| Growth of many-celled organisms is mostly due to an increase in the __ of cells |
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| An organism's ability to maintain a steady condition |
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| Linnaeus's major contribution to organism classification was |
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| Most living things are made of __ percent water |
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| A detailed list of identifying characteristics that includes scientific names is called a |
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| __ experiment showed that substances present in living things could be made from nonliving things |
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| Oparin's hypothesis suggested that Earth's early atmosphere lacked |
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| __ are remains of life from an earlier time |
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| Older rocks lie __ younger layers |
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| Change in the hereditary features of an organism over time |
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| Group of organisms that look alike and can reproduce among themselves |
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| The fossil record is ___ . |
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| Organisms need all of the following except |
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| How does natural selection occur |
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| Adaptations help an organism reproduce and survive |
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| Compares radiometric and non in the elements in the rocks around the fossil |
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| # of species that live in an area |
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| Water vapor and sulfur and nitrogen dioxide |
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| Global warming = increased ___ levels in the air |
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| Bowler who leaves 3 pins every time |
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| Water's boiling point on Kelvin scale is ___ than on the Celsius |
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| SI units are multiples of |
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| Measurement of an object's mass |
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| Apple changing color in air |
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| Chunk of dry ice in air is |
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| Changing from solid to gas |
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| The ___ is a unit of force. |
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| The distance between particles is smallest in a _____ |
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| If 2 atoms have the same # of protons but different # of neutrons, they will have the same _____. |
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| During beta-particle emission, a neutron splits into ____. |
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Definition
| A proton and an electron. |
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| Which particles have almost the same mass? |
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| Which item best represents Dalton's mental image of an atom? |
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| Which item best represents Thomson's mental image of an atom? |
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| Based on his experiment, Rutherford concluded that atoms were _____. |
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| A transmutation involving the release of alpha particles produces atoms whose atomic # has _______. |
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| A transmutation involving the release of beta particles produces atoms whose atomic number has_____. |
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| The nucleus is held together by ___. |
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| The strong nuclear force. |
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| Elements with ____ are grouped together on the periodic table. |
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| Atomic # is the # of _____ in the nucleus of the atom. |
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| Elements are arranged in increasing ____. |
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| What is the name of the elements in group 2? |
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| Elements in groups 3 through 12 are ___. |
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| ______ is used in light meters. |
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| What is not correct? Iron is a _____. |
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| What is not likely to have ionic bonds? |
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| What is the name given to the units that make up covalently bonded compounds? |
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| Likely to form a negative ion in its ionic compounds. |
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| Positive and Negatively charged ions together is called a |
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| A _____ is a combination of chemical symbols and #'s that tell what is in a compound. |
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| An _____ slows down a reaction. |
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| A solution with a pH of 13 is a ____. |
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| Acids have a pH ______ 7. |
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| An electromagnet is_________. |
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| Only operating when the current is on. |
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| Largest planet in the solar system. |
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