Scientific Notation
What types of numbers do we write in scientific notation?
Really big numbers and really small numbers
What is the base measurement unit used in the metric system for LENGTH?
Meter
What are two tools used to measure mass in grams?
Triple beam balance and spring scale
What is the definition of accuracy?
Accuracy is getting the correct answer(or hitting the bullseye or "accepted value")
What is the "recipe" used to do science? What are the "skills" called used to do science?
Scientific Method and Science Process Skills
What is this number? 2.34x 10-5
.0000234
What is the base measurement unit for MASS in the metric system?
Grams
What are three tools used to measure length (the metric system)?
Meter stick, Ruler, Soft tape measure
What is the definition of precision?
Precision is getting the same result multiple times (consistency)
What is "dressed for lab"?
Hair tied back, no dangly earrings, long pants, close-toed shoes.
What is this number written using scientific notation? 245,000,000
2.45x108
What is the base measurement unit for VOLUME in the metric system?
Liters
What measurement tool is used to calculate volume in mL?
Graduated cylinder
I want to test a new dog food to see if it makes my dog's fur shinier. I give my dog the old food on Monday and new food on Tuesday. What's my control?
The old food on Monday
What should you do if lab equipment breaks during a lab?
Tell your teacher, don't move, don't clean it up yourself!
What is this number? 2.3 x 100
2.3
What is the next smallest unit after meter?
Decimeter
Which measurement tool would you use to find the weight in grams of an apple?
Triple beam balance
I play music for my plants and observe how big they grow. What's my independent variable and my dependent variable?
Independent variable- Music
Dependent variable- plant growth
What do you do after performing an experiment and collecting data, according to the scientific method?
Communicate your results!
Write this number in scientific notation: .0000245002
2.45002x10-5
What are all 6 of the prefixes used for metric system units?
K H D (Unit) d c m
What measurement tool would you use to find the height of a table using the metric system?
Meter stick
I give one plant fertilizer and don't give the second plant anything. Then I observe the color of the leaves over time. What's my control, independent variable and dependent variable?
Control- Second plant with no fertilizer
Independent variable- Fertilizer
Dependent variable- Color of leaves
What are the 6 steps to the scientific method (in order)?
Observation, Research, Form Hypothesis, Experiment, Collect Data, Report Conclusions