Question | Answer |
Arrange each part of the scientific method in the correct order. | 1. Ask a question/problem
2. Form a hypothesis
3. Test the hypothesis/experiment
4. Data analysis
5. Draw conclusions |
3 keys to a good experiment? | 1. Measurable
2. Many trials
3. 1 variable |
What does it mean if the data is statistically significant? | It means that there is a large enough difference between two points for there to be an acceptable product. |
What part of the lab report is like a recipe? | Procedure |
In Lab:
I. Title -??? | Make up your own descriptive title, creative |
In Lab:
II. Purpose -??? | Explain purpose in being specific |
In Lab:
III. Hypothesis -??? | Include a reason for educational guess, if/then format |
In Lab:
IV.Materials -??? | List all materials in 2 columns |
In Lab:
V. Procedure -??? | Explain procedure you did briefly, numbered list |
In Lab:
VI. Results -??? | Tell what happened (give average results) |
In Lab:
VII. Charts, Tables, Graphs: -??? | One or more may be required, titled and labeled |
In Lab:
VIII. Conclusion -??? | State of hypothesis was proven or not using the data to support it. Evaluate data. Comment on results. addressed what was learned. how could be applied to other situations. contains research. |
A system of measurement used by the majority of countries | Metric System |
The basic unit of length in the SI system | Meeter |
Prefix for one-hundredth | Centi- |
The basic unit of volume in the SI system | Liter |
The measure of the amount of matter an object contains | Mass |
Prefix for one-thousandth | Milli- |
The amount of space on object takes up | Volume |
Prefix for one-thousand | Kilo- |
Basic unit of mass in the SI system | Kilogram |
When and why was the metric system invented? | In the 1790's in France to create a universal system of measurement so everyone could understand |
Which group of people invented the metric system? | French scientists |
SI units are based on multiples of __ | 10 |
Why do scientists use a standard measurement system? | It is consistent and it is easier to use. Everyone around the world knows the same measurement because its from the same system |
One centimeter is divided into how many millimeters? | 10 |
The longest lines on a metric ruler are called? | Centimeters |
The shorter lines on a metric ruler are called? | Millimeters |
What tool is used to measure mass? | Triple Beam Balance |
What are the 5 steps used to measure the mass of an object? | 1. place an object on pan
2. move the largest rider to create close to balance
3. move the middle rider " "
4. Move the smallest rider" "
5. Add up the three values, where the riders are placed |
List the Metric units from smallest to biggest | Mili, centi, deci, unit (meeter, leter, gram), deca, hecto, kilo |
What is the first step in converting metrics? | Find the unit of the given value |
What is the second step in converting metrics? | Count how many 'jumps' to the new unit |
What is the third step in converting metrics? | If jumping up, multiply by 10 for each jump If going down, divide by 10 for each jump |
What are the 10 characteristics of living things? | Reproduce, breathe, nucleus/brain, grow/develop, digest, survive, cells, get engery, move, adapt |
What is the scientific method? | Simple method scientist use to conduct an investigation, a way to ask and answer scientific questions by asking questions and conducting experiments |
What are the 2 types of cells? | Prokaryotes, Eukaryotes |
All living things are made of _____. | Cells |
Cells carry out the functions needed to _______ ____. | Support life |
Cells only come from _____ ______ _____. | Other living cells |
What is weight? | Weight is the pull of gravity on an object |
Why do scientists prefer to use mass instead of weight? | More consistant |
The instrument used to measure the volume of liquids? | Graduated cylinder |
What is the name of the curved surface that forms on the top of a surface when measuring volume of a liquid? | Meniscus |
How to measure volume of regular solids? | Multiply length x width x hight |
What is a cubic centimeter equivelant to? | 1 millimeter |
A balance between energy production and energy use | Metabolism |
A reaction to stimulus | Response |
A change that occurs in the environment | Stimulus |
Physical or behavioral traits that allow an organism to survive in its environment , live and reproduce successfully | Adaptation |
Changes in a species over long periods of time (millions of years) | Evolution |
The process of using the body's energy to break down the food we eat | Catabolism |
Building blocks of all living things | Cells |
The ability to make things move or change | Energy |
The dependence of all living things on other living things to survive | Interdependance |
A cycle of change | Development |
Increase in size by adding new cells or increasing the size of cells | Grow |
The process of using the body's energy to build proteins , muscle and other substances the body needs | Anabolism |
Ability to maintain a stable internal environment | Homeostasis |
How long an organism lives | Life span |
Controls movement of materials in/out of cell;both;city border/patrol | Cell membrane |
Provide support and protection for cell; plant cell; wall | Cell wall |
Uses energy from sun to make food;plant cell;solar panels | Chloroplast |
Protects cell organelles;both;sidewalks | Cytoplasm |
Transports materials throughout cell;both;highway | Endoplasmic Reticulum |
Processes and packages molecules made by the cell;both;post office | Golgi Apparatus/Golgi body |
Breaks down larger food molecules into smaller ones/digest only cell parts;animal;recycling center | Lysosomes |
Breaks down sugar and releases energy;both;power plant | Mitochondria |
Produces proteins/can be attached to ER;both;brick yard | Ribosomes |
Controls cell activity;both;mayors office/city hall | Nucleus |
Stores food, water, waste;both/garbage dump | Vacuole |
To remain alive | Living |
Not alive | Non-living |
No longer alive | Dead |