What affect does attendance have on students' grades in science class? Write the independent variable, the dependent variable, and the hypothesis.

The temperature is 5°C below zero. Which integer represents this temperature? +5 -5

Explain how you would make 500ml of a 0.100 m naoh solution

Is the Peruvian flower angiosperm or gymnosperm

As the temperature of a liquid increases, its viscosity most likely? A. increases B. stays constant C. decreases

Consider the following chemical reaction:. CuSO4 (s) + heat - - > CuO (s) + SO3 (g). Design an experiment in which you use this chemical reaction to test the law of mass conservation

A chemical engineer is developing a process for producing a new chemical. One step in the process involves allowing a solution of potassium hydroxide to react with a solid. Which action would most likely increase the reaction rate for this step?

Determine which elements are balanced and unbalanced for each chemical equation below when every compound is given a coefficient of one.

A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is salt and Solution B is salt. She wants to obtain ounces of a mixture that is salt.

Reactions that affect the nucleus of an atom are called? A. Fusions B. Radioactive decays C. Nuclear reactions D. Fissions

The amplitude of a wave is most directly related to what wave characteristic? Crest length Frequency Wavelength Wave height