You can share the results of an investigation with others by using a ___________

An observation often leads to a testable statement known as a _________. 

A planned study meant to answer a question is called ________

A hypothesis should be supported by 

Samuel's friend says that smaller dogs always have higher pitched bark. What is an observational test that Samuel could carry out in order to critique his friends explanation?

Which of the following explains how observed data differs from measured data?

Gabe is interested in snakes that live in the desert. He wants to know how fast the snakes move. Which of these could Gabe use to collect data in his investigation?

Alix did an experiment to test an explanation about how fertilizer affects plants. Plant A had fertilizer and Plant B did not. All other conditions were kept the same. Plant A grew taller and greener in color.  What is the best explanation for what happened?

Ranjit wants to build shelves in a closet. The  closet is 2 meters wide. The wooden boards he wants to use are more than 2 meters long. He will need to measure the boards, then use a saw to cut the correct length. What tool should he use to collect and analyze measurements to find the correct length of the boards?

Martina is investigating how different types of soil affect radish seed germination. She plans to plant the same number of radish seeds in three different types of soil. At the end of the week, she will count the number of radish seeds that have grown. What should she draw using a computer to organize her data?

Zane is doing an experiment in which he measures the temperature of the water in three different tanks. Which of the following tools would he use to collect and analyze information?