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PVES Week 8
Scientific Method and Force/Motion
| Question | Answer |
|---|---|
| Using one or more senses to identify or learn about an object or event is to __________________. | Observe |
| What is the summary statement based on the details and facts of an investigation? | Conculsion |
| An ________________ is a tentative explanation based on background knowledge and data. | Inference |
| A ________________ or ___________________ is an educated guess as to what may happen in an experiment. | Hypothesis, Prediction |
| When you perform a “test” to prove or disprove a hypothesis, you conduct an ___________________. | Experiment |
| 1/1000 of a meter (the thickness of a fingernail) is a _____________________. | Millimeter |
| 1/100 of a meter (the approximate width of a pinky fingernail) is a ______________________. | Centimeter |
| A __________ is the metric equivalent to just over 3 feet. | Meter |
| What metric unit of measurement is used to measure long distances and is the equivalent to ½ mile? | Kilometer |
| 1/1000 of a liter (approximately a few drops of liquid) is a ______________. | Milliliter |
| What is the basic unit of LIQUID measurement in the metric system? | Liter |
| A unit of measurement used to measure the weight/mass of an object. A small paper clip = __________ | Gram |
| Approximately 1,000 grams or the weight/mass of larger objects such as people. One box of 1,000 paper clips = ______ | Kilogram |
| This instrument is used to measure length in centimeters. | Ruler |
| What is the tool used to identify and classify rocks, minerals, and organisms? | Classification Key |
| This instrument is used to determine accurate liquid measurement (volume) during an experiment. | Graduated Cylinder |
| This instrument is used to hold, mix, and heat liquids during an experiment. | Beaker |
| This instrument is used to measure mass or weight of larger objects. | Scale |
| This instrument is used to measure mass or weight of smaller objects. | Balanced Scale |
| The two terms used when measuring temperature- | Celsius and Farenheit |
| The information gathered and recorded in an experiment is called what? | Data |
| Items or conditions in an experiment that stay the same to test a hypothesis are- | Constants |
| The factor in an experiment that is purposely changed to test a hypothesis is a ____________. | Independent Variable |
| The factor in an experiment that changes as a result of the independent variable is a ____________ _____________. | Dependent Variable |
| To place things that share properties into groups is to ___________. | Classify |
| What type of data can be counted or measured? The results are numerical. | Quantitative Data |
| What type of data deals with descriptions and observations? (It cannot be measured.) | Qualitative Data |
| Next to, near or close to describes the _____________ location of an object. | Relative |
| Tracing and measuring an object’s position over time can describe its _______________. | Motion |
| _____________ describes how fast an object is moving. | Speed |
| Name the 2 states of energy. | Kinetic and Potential |
| An object that has energy stored has ____________ energy. | Potential |
| The energy of motion is called _____________ energy. | Kinetic |
| Any push or pull that causes an object to move, stop, or change speed or direction is a ________. | Force |
| The greater the force, the greater the change in ________will be. | Motion |
| The measure of motion is ______________. | Speed |
| The terms up, down, forward, and backward describe the ______________ of an object’s motion. | Direction |
| List 4 things that an object will usually do when a force acts on it. | Move, Stop, Change Speed, Change Direction |
| A moving object tends to stay in motion and a resting object tends to stay at rest unless a _________ acts on it. | Force |
| The resistance to motion created by two objects moving against each other is _______________. | Friction |
| Heat can be created by _______________. | Friction |
| The ability to do work is called _______________. | Energy |
| __________ is the result of a force moving an object through a distance | Work |
| If the mass of an object increases, then the ________ needed to move it will increase. | Force |
| Friction is a force that __________ motion. | Opposes |
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