Parts of the experiment that are controlled by the scientist are called

A. variables

B. hypotheses

C. controls

D. biologicals

In a car cylinder, a piston moves up and down inside a cylinder, causing the substance inside to expand and contract. Which type of substance could be inside the cylinder? Gas only Liquid only Liquid or solid only Gas, liquid, or solid

Which of the following statements is true about cellular respiration? It converts energy into food, It breaks down food to release energy, It turns carbon dioxide into water. It tums water into carbon dioxide.

A gas occupies 12.2 liters at 0.8 atm. What is the pressure if the volume becomes 15.6 L?

Using the drop-down menu, order the steps in the dissolving process.

The following chemical reaction occurs in a basic solution. NO3 - (aq) + ClO - (aq) + H2O (l) → NO (g) + ClO2 - (aq) + OH - (aq) How many moles of electrons are transferred when the equation is balanced using the smallest whole-number coefficients?

According to the kinetic molecular theory, when a gas particle hits something what will happen?

Protons and neutrons are made from which of the following? hadrons down quarks only up quarks and down quarks up quarks only

Not all of the water falls as rain, snow, or sleet evaporates. What happens to the rest of the water?

58.5 million excess electrons are inside a closed surface. What is the net electric flux through the surface?.

Nitrogen monoxide and oxygen, both colorless gases, form a red-brown gas when mixed. Nitrogen monoxide and oxygen are called the