An educated guess that suggests/predicts a possible solution to a problem

Students of different ages were given puzzles to put together and timed on quickly they did so.

What is the relationship of the frequency of brushing your teeth to the number of fillings you have?

A procedure to test the hypothesis

Six sunflowers used in a study; 3 received fertilizer and 3 got only water.

The factor that is changed

Do different tire treads effect the braking distance?

The temperature of the water was measured at different depths of the lake.

The first step in the scientific method.

The CDC is testing a new pain relief drug. They test 100 people with back problems. 50 get a placebo and 50 get a pain relief pill.

A group of tested ideas commonly regarded as correct

The higher the temperature of air in the oven the faster the cake will bake.

The amount of time you study will have a positive difference on your next test score.

The last step in the scientific method.

20 fifth graders were tested on quick they could finish long division: 10 were given calculators and 10 were not.

The factor that is measured or observed is called the

Lemon trees receiving the most water produces the most lemons.

What are the effects of different sunblock SPF factors on sunburn?

This is written on the Y-axis when graphing data

Will temperature effect how fast milk will go bad. 1 cup in fridge, 1 cup outside and 1 cup at room temperature.

A standard to compare the results of an experiment.

The pollution produced by cars was measured from vehicles using gasoline with different amounts of lead

The amount of time you spend instant messaging will effect students grades.

This is written on the X-axis when graphing data

What happens if you add more water to a cake recipe?.