Independent and Dependent Variables
This is the variable changed by the researchers.
What is the independent variable?
This is the group that is used as a comparison - it receives no treatment from the researchers.
What is the control group?
15 km equals this many meters
15000 meters
This is a glass container used to hold liquids. It doesn't have a narrow neck.
What is a beaker?
This variable goes on the x axis.
What is the independent variable?
This is the variable that is measured.
What is the dependent variable?
Coen is testing the effect of sugar on hyperactivity in kids. He gives different kids different amounts of sugar and measures how hyper they are. This is the control group.
What are the kids that don't get sugar?
42.3 cm
What is a stirring rod?
This is placed at the top of the graph to describe what information is being displayed.
What is a title?
Joseph wants to see if the time he goes fishing affects how many fish he catches. He goes fishing at dusk, dawn, noon, and midnight and counts how many fish he catches each time. The number of fish he catches is this variable.
What is the dependent variable?
Jaxen wants to know the best way to make a pancake. He thinks the key is how much water is in the mix. He tests his hypothesis by adding different amounts of water to his pancake mix. This is the control group.
What are the pancakes with the normal amount of water in the mix.
43.6 daL equals this many L
436 L
This is used to heat objects up.
What is a hot plate?
This type of graph is best for continuous data, such as change over time or change across a distance.
What is a line graph?
Olivia feeds her plants different fertilizers and measures the height of each after a week. This is the independent variable.
What is the type of fertilizer?
Kaisley performs an experiment where she tests different waterproofing solutions on umbrellas. She applies different solutions to each umbrella and measures how much water gets through after spraying it with a hose. This is the control group
What is the umbrella without a solution applied?
68.4 mm equals this many dm
0.684 dm
What are forceps?
This type of graph is best for showing the number of items in a group, such as the responses to a survey.
What is a bar graph?
What is the test score?
Lexie wants to know if watering a plant with Red Bull makes it grow faster. She tests this out. This would be her control group.
What is the plants watered with water.
84.332 km equals this many mm
84,332,000 mm
This is used to grab hot objects.
What is a hot pad or tongs?
These need to be placed at even intervals along the graph.
What are intervals or axis labels?