PLEASE HELP WITH EASY 8TH GRADE MATH!
Which of the following is an example of observational scientific investigation?
A)Mixing two reactants together in a small beaker.
B)Drying solid produced by placing it in an oven.
C)Placing test tubes in an ice bath for 15 minutes.
D)Noting the color of a solution when heated.
Which of the following is an example of observational scientific investigation?
A)Mixing two reactants together in a small beaker.
B)Drying solid produced by placing it in an oven.
C)Placing test tubes in an ice bath for 15 minutes.
D)Noting the color of a solution when heated.
