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Science Study Stack
| Question | Answer |
|---|---|
| A systematic way of solving problems in science is known as the | Scientific Method |
| What is the 1st part of the Scientific Method? | Ask a Question |
| What is the 2nd part of the Scientific Method? | Do Background Research |
| What is the 3rd part of the Scientific Method? | Form a Hypothesis |
| What is the 4th part of the Scientific Method? | Design and Perform an Experiment |
| What is the 5th part of the Scientific Method? | Make Observations |
| What is the 6th part of the Scientific Method? | Record and Analyze Data |
| What is the 7th part of the Scientific Method? | State a Conclusion and Repeat |
| What changes in an experiment? | Independent Variable |
| How many variables should be tested at one time? | One Variable |
| Everything else should remain | Constant |
| What should you do if your hypothesis is wrong? | Make a New or Revised Hypothesis |
| True or False: You should only do the experiment once to make sure it is valid and reliable. | False |
| Using your senses is making an | Observation |
| During the _____ you make a guess. | Hypothesis |
| What adjustment do you use first when focusing a microscope? | Coarse Adjustment |
| What adjustment do you use after the image becomes clear? | Fine Adjustment |
| What is the purpose of the diaphragm on a microscope? | Controls the amount of light |
| What is the purpose of the objective lens? | Magnifies the specimen |
| What is the purpose of the stage? | Holds the slide |
| As magnification increases, the field of view | Decreases |
| Another name for the eyepiece is the | Ocular Lens |
| What is the field of view? | The area visible when looking through a microscope |
| If the ocular lens is 10X and the objective lens is 10X, what is the total magnification? | 100X |
| How should you carry a microscope? | With two hands |
| Name one thing allowed in a laboratory. | Follow directions |
| Name one thing not allowed in a laboratory. | Horseplay |
| What should you do if you break something in the lab? | Tell the teacher immediately |
| What should you always do after a lab? | Wash your hands |
| Chopping larger pieces of wood into smaller pieces is an example of what type of change? | Physical Change |
| Burning twigs and branches is an example of what type of change? | Chemical Change |
| The simplest type of substance is an | Element |
| The basic unit of an element is an | Atom |
| Different elements can combine chemically to form a | Compound |
| The basic unit of a compound is a | Molecule |
| When different substances combine physically, a | Mixture |
| What is the chemical formula for sulfuric acid? | H2SO4 |
| What is matter? | Anything that has mass and takes up space |
| Matter is made of tiny particles called | Atoms |
| A physical change does not create a | New Substance |
| A chemical change creates a | New Substance |
| Give an example of a physical change. | Cutting Paper |
| Give an example of a chemical change. | Burning Wood |
| What are the three common states of matter? | Solid Liquid Gas |
| Solids have a definite | Shape and Volume |
| Liquids have a definite | Volume |
| Gases have neither definite shape nor volume | Gas |
| What happens to particles when matter is heated? | They move faster |
| What happens to particles when matter is cooled? | They move slower |
| What is the force that pulls objects toward Earth? | Gravity |
| What is the SI unit for measuring force? | Newton |
| What is the formula for density? | Mass divided by Volume |
| What is the formula for speed? | Distance divided by Time |
| What tool is used to measure mass? | Balance |
| What tool is used to measure volume of a liquid? | Graduated Cylinder |
| What tool is used to measure temperature? | Thermometer |
| What tool is used to measure length? | Meter Stick |
| What are the three main branches of science? | Life Science Earth Science Physical Science |
| What is biology? | Study of Living Things |
| What is geology? | Study of Earth |
| What is chemistry? | Study of Matter |
| What is physics? | Study of Energy and Motion |
| What is meteorology? | Study of Weather |
| What is astronomy? | Study of Space |
| What is ecology? | Study of Interactions Between Organisms and Their Environment |
| What is an ecosystem? | Living and Nonliving Things Interacting |
| What is a producer? | Makes Its Own Food |
| What is a consumer? | Gets Energy by Eating Other Organisms |
| What is a decomposer? | Breaks Down Dead Organisms |
| What process do plants use to make food? | Photosynthesis |
| What gas do plants take in during photosynthesis? | Carbon Dioxide |
| What gas do plants release during photosynthesis? | Oxygen |
| What is the main source of energy for most ecosystems? | The Sun |
| What is a food chain? | Path of Energy Transfer |
| What is a food web? | Many Connected Food Chains |
| What is an herbivore? | Plant Eater |
| What is a carnivore? | Meat Eater |
| What is an omnivore? | Eats Plants and Animals |
| What is a habitat? | Place Where an Organism Lives |
| What is a population? | Group of the Same Species in an Area |
| What is a community? | Different Populations Living Together |
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