A class suspects that too little water causes wilting. Which plan best tests this explanation?

Which question requires a controlled experiment rather than a single measurement?

Where should Liza place the question she plans to answer in her report?

Carlo has beakers, water, sugar, and a thermometer. What else does he need to measure how long the sugar takes to dissolve?

Which soaking instruction gives another group enough detail to repeat Rosa's towel-test step?

Annie will compare which objects float. Which task should she complete first?

Which statement is a testable hypothesis about watering tomato plants?

Ella tests Brand A and Brand B sheets using equal sizes and soaking times. How is towel type classified?

Ben grows bean seedlings under different light conditions and records their height daily. What role does height have in his test?

When testing how water temperature affects dissolving time, which pair should Jessa keep unchanged?

Which notebook entry records qualitative data about a plant?

A group records a bean seedling as 14 cm tall. What kind of information is this?

Which record contains primary data for the class's floating-object investigation?

Danilo is preparing the results table for a floating-object test. Which pair of column headings should he use?

Amihan repeats the same towel test without changing its conditions. What can these repeated trials help her assess?

Use the table. What was the average amount of water absorbed by Brand A?

Use the graph. At which tested temperature did the sugar take the least time to dissolve?

What pattern does the graph show?

What can Mia reasonably say from this table after one week?

Luis expected Brand A to absorb more water, but Brand B absorbed more in every trial. What should he report?