| A | B |
|---|
| Universe | All that exists, including the planets, sun, stars, and space |
| Research | Science To study a subject, usually using books and doing experiments |
| Observation | The careful study of something |
| Experiment | A kind of test that scientists use to discover or prove something |
| Life science | The study of living things and how they behave |
| Energy | The ability of something or someone to do work or produce heat |
| Physical science | The study of matter and energy |
| Laser | A device that produces a narrow, strong beam of light |
| Technology | Science discoveries and skills that are put to use |
| Science | The study of all of nature and the universe |
| Matter | Anything that has mass and takes up space |
| Earth science | The study of the Earth, including its rocks, oceans, air, and weather; also the study of the sun, moon, planets, and stars |
| Galaxy | The study of living things and how they behave |
| Atom | The smallest part of a substance that can still be recognized as that substance |
| Liter | A metric unit used to measure volume of a liquid or gas |
| Gram | The basic metric unit of mass |
| Meter | The basic metric unit of length |
| Volume | The number of cubic units that is needed to fill a space |
| Hypothesis | A possible answer to a problem |
| Metric unit | A unit of measurement that is based on the number ten and multiples of ten |
| Procedure | A plan that is used to complete a task |
| Laboratory | A place with equipment that people use to do science |
| Unit | An amount that is used by everyone when measuring a particular thing |
| Microscope | An instrument used to study very small objects; it makes them appear much larger |
| Measurement | The amount something |
| Scientific method | A step-by-step procedure that scientists use to do experiments and make new discoveries |
| Area | The number of square units that is needed to cover a surface |
