Midterm Part 1 • Chapters 1,2,3
Two objects can have the same volume, but a different ____if they have a different mass
The series of steps that scientists use to solve problems is called the ___________
A _____ is an educated prediction of the result of an experiment.“I predict that the plant without fertilizer will grow taller”
In any experiment, the ______ is the factor that is changing. Ex. If I’m testing the effects of soda on plants, soda would be my ______
What is the variable:Ted set up an experiment to test whether his fish ate more in cold water or hot water.
A ______ is an explanation to something, which may be changed in the future as new information is discovered.
A _________ is an explanation to something which will never change in the future.
Newton’s three laws of motion are scientific laws. What does this mean?
Which group is the experimental group:To test the effects of sugar on plants, I grew 12 plants with water, and 12 plants with sugar water. I then measured the plants
Which group is the control group:To test the effects of salt on mold, I grew some mold on bread, and I grew some mold with salted bread. I then measured the amount of mold on each
____ is a measure of the amount of atoms (matter) something is made out of.
The force of attraction between two objects due to mass is called ________
Iron rusts when it has been exposed to oxygen for a long time. Is this a physical or chemical change?
The Egg white turns from clear to white. Is this a physical or chemical change?
A. C. B.
_____________ don’t have definite shape but they have definite volume.