A scientist tests whether different amounts of sunlight affect the growth of tomato plants. She places plants in full sun, partial sun, and shade, while keeping water and soil type the same. What is the independent variable in this experiment?

Ice floats in liquid water because hydrogen bonding makes solid water more dense than liquid water.

Convert 45,880 mL to liters.

Choose the correct preposition from the list for each sentence given.  Heads-up, I will try to fool you by including preps that were NOT on the list.  You must know your prepositions! (there are only four we learned, you got this, right?)

In Texas gibt es im Winter keinen Schneee, _____ nur viel Regen.

Which of the following is best for measuring and administering a parenteral dose of 2 mL?

The physician orders 5 mL of a liquid oral medication for a 2-year-old child. Which of these droppers would be the best choice to measure this dosage?  

The leading ring is represented by which number?  

The gram is the basic unit of ________ in the metric system.

Mein Bruder ____ die saure Milch. (trinken)