Do every investigation have a experiment?

Who is Joseph-Armand Bombardier? In control investigation why must all the variables except one to be kept consistent throughout the investigation? What is zinc bars? What is the answer to 0.000818 in scientific notation? What process should be undertaken regularly to make sure no data is lost? How do you measure area rugs? Why is living near seahorse a disadvantage? Who is trying to stop slave trade? How do shadows occur? Why can you get different types chisels? How is streak and spray alike and different? What is the Rank states of matter in order from the slowest to fastest movement of particles? You make ammonia in a factory and a large order just arrived. To increase your rate of production or rate of the reaction to produce ammonia you can do what? What is 100cm inches? How can the density of an object be used to identify it? What will i get if i combine helium with beryllium? What creates heat inside the earth? What is the Difference between a weak stimulus and intense stimulus? True or false pressure can buckle rocks? What is a characteristic or member of the fungal phylum deuteromycota?