Bob and Mary are experimenting with paper helicopters. They decided to cut the wings to see if speed can be increased. Bob drops his control aircraft from a chair. Mary is on the floor and dropping the experimental design. What's wrong?

In science, an educated guess is _.

When you place one of these in your scientific paper, what are you doing?

An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group is?

After deciding to subject bean seeds to different amounts of water (1 ml, 5 ml, 10 ml) a lab technician is tasked with measuring the length of bean roots once a week. What is this experiment's dependent variable?

In scientific experimentation, what does it mean to replicate or have replication?

In an experiment, the one variable that is changed, manipulated, experimented with, or decided upon by the researcher, is called the

What is qualitative data?

After observing phenomena and asking a question about it, a scientist could propose a hypothesis, or they could ___________.

A scientist analyzes her data and says, "We gotta start this miserable experiment all over again." What is she doing?

A scientist who wants to study the affects of fertilizer on plants sets up an experiment. Plant A gets no fertilizer, Plant B gets 5 mg. of fertilizer each day, and Plant C gets 10mg. of fertilizer each day. Which plant is the control group

An experiment with plants is testing the effect of increasing amounts of water and increasing sunlight availability. Why is this a bad experiment?