Termites and Introduction

Two science students discovered that the mass of a sample of acetone in an open beaker decreased within a few minutes. One student hypothesized that the acetone reacted with oxygen to form a gaseous compound that escaped. The other student believed that the acetone evaporated into the air. What should the students do to test these hypotheses?

Perform an experiment that attempts to identify the gas above the open beaker

What are ways to analyze data?

Statistical analysis Tables and charts Graphs

Why is it important for students to learn about science?

Understanding science helps me to understand the world around me Using the scientific method enables me to make good decisions about my observations I am a living organism and i affect all the other living organisms on earth

4 test results hit the bullseye does this show precision, accuracy or both?

both

A procedure that tests a hypothesis is a(n)

experiment

The true length of a worm is 1.010 cm. Three measurements of this worm produced the following values: 1.4 cm, 1.2 cm, and 0.9 cm. Are these precise, accurate, or both?

neither

Does a hypothesis always have to be correct?

no, but it has to be testable

Laboratory equipment is cleaned and properly stored after use primarily so that...

the possibility of contamination in the laboratory is minimized

What is the definition of independent variable?

the thing that is changed in the experiment

What is the definition of dependent variable?

the thing that is measured in an experiment