6 Questions |
By Yourdestiny101 | Last updated: Jan 17, 2019
| Total Attempts: 795
Questions and Answers
An dependent variable changes on purpose.
What is the last step of an experiment?
Lisa wondered which toothpaste whitened teeth the best. She took 4 baby teeth and soaked them in coffee until they were a uniform color. She brushed the first tooth with no toothpaste. Then she brushed the second tooth with Crest, the third with Aqua Fresh, and the fourth with Colgate. She brushed each tooth 100 times, and measured their whiteness with a dentist’s coloration guide. Name the parts of the experiment. (IV, DV, Control, Constants.)
An is an educated guess.
What are the steps of an experiment?
State the Problem
Analyze your Data
Some running horses trample anoying cats
state the problem
test your hypopohsis
analyze your data
conclusionIs this a way to remember the steps of an experiment?(YES!)
There are two types of experiments when it comes to any experiment. The variable varies depending on which is being tested in the experiment and which one is controlled in the experiment. Test out how well you understood the...
Questions: 5 | Attempts: 46375 | Last updated: Nov 12, 2020
Lauren wants to know which location in her apartment is best for growing African violets. She has three African violets. She puts one on the balcony, one by the kitchen window, and one on the mantel in the living room. Each plant has the same size pot and the same soil, and Lauren gives each plant the same amount of water.
The 2 variables:
1. location of plants
2. how the plants grow
Which one is the independent variable (IV)?
You are riding in a spaceship that has no windows, radios, or other means for you to observe or measure what is outside. You wish to determine if the ship is stopped or moving at constant velocity. What should you do?