What makes a question able to be answered by science?

At constant pressure, the volume of a fixed mass of gas and its kelvin temperature are said to be a. directly related. b. inversely related. c. unrelated. d. constant.

In a chemical reaction, the total mass of the reactants is 10.0 grams. The total mass of the products must be:

Two solid balls (one larger, the other small) and a cylinder roll down a hill. Which has the greatest speed at the bottom and which the least? (a) the larger ball has the greatest, the small ball has the least.

Volcanoes change the earth by a) slowly seeping and flowing over time b) slowly heating the surface c) rapidly using up the oxygen d) keeping mountains from growing

A soccer ball collides with another soccer ball at rest. the total momentum of the balls a) is zero b) increased c) remains constant d) decreases

What are hypotheses suggesting why urban children have more food allergies than children from rural areas? Select the TWO answers that are correct.

Which is a correct statement of what occurs at a turbine during electricity production?

2. Which graph shows a possible voltage profile over time for a 12 V lantern battery as it provides power to a bank of electric lights?

How would you describe the interaction between opposite (N-S or S-N) magnetic pols?

Which of the following sequences correctly identifies the orders of the lobes of the cortex from anterior to posterior?