Ornithology is the study of what?
Oceanic crust is _____ and _____ than continental crust.
thicker / less dense
less thick / denser
less thick / less dense
The lens used in a simple microscope is...
In which units is the energy of food measured?
The liquid metal is...
What frequencies of electromagnetic radiation are absorbed by Earth’s ozone layer?
Endothermic reactions are those in which...
Heat is absorbed
Light is produced
Chromosomes move toward opposite ends of the cell during which phase of cell division?
What do you get when you mix an acid and a base?
What a shame..
Looks like you are not the best in your class.. meanwhile, is it really so bad? Send this quiz to a friend, let's see if he/she does better!
School years were not in vain!
You are actually smart! Send this quiz to a friend, let's see if he/she does better!