Independent vs. Dependent Variables- LV

Sort the variables based on whether they are independent or dependent

Sort the variables based on whether they are independent or dependent

Sort the variables based on whether they are independent or dependent

Sort the variables based on whether they are independent or dependent

Sort the variables based on whether they are independent or dependent

Sort the variables based on whether they are independent or dependent

Does heating a cup of water allow it to dissolve more sugar? Temperature of the water is measured in degrees Centigrade. Amount of sugar is measured in grams.

Does fertilizer make a plant grow bigger? Amount of fertilizer measured in grams, quantities of water measured in milliliters.

Does an electric motor turn faster if you increase the voltage? Voltage of the electricity used is measured in volts. Speed of rotation measured in revolutions per minute (RPMs)

How fast does a candle burn? Time measured in minutes. Height of candle measured in centimeters at regular intervals of time (for example, every five minutes)

A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly.

An experiment was performed to determine how the amount of coffee grounds could affect the taste of coffee. The same kind of coffee, the same percolator, the same amount and type of water, the same perking time, and the same electrical sources were used.

Four groups of similar-type rats are first massed and then fed identical diets except for the amount of vitamin A they receive. Each group gets a different amount of vitamin A. After 3 weeks on the diet, the rats’ masses are measured again to see if there has been a decrease.

Anna was using steel to make rusted sculptures. After building each sculpture, she caused the steel in the sculpture to rust by placing it into a tub filled with salt water for eight hours. Anna wondered if steel would rust faster submerged in vinegar instead of saltwater.

To find out, Anna cut ten squares of steel sheet metal and split them into two equal groups. She put one group of squares into a tub filled with saltwater and the other group of squares into a tub filled with vinegar. Once an hour for eight hours, Anna counted the number of rusted steel squares in each group.

Spencer's grandmother suggested that soaking berries in hot water might help prevent the berries from getting moldy.

To test this idea, Spencer harvested fresh blackberries and divided them evenly into eight bowls. He filled four of the bowls with room temperature water and the other four bowls with water heated to 125°F. Spencer let all of the berries soak in the water for 30 seconds. Then, he poured out the water and dried the berries. Spencer placed the two groups of bowls in the refrigerator, keeping each group separate. After five days, Spencer counted the number of moldy blackberries in each bowl.

Lillian's brother thought that crushed ice would keep his soda cooler than whole ice cubes.

To test this idea, Lillian divided a large bottle of soda equally among six glasses. Lillian added five whole ice cubes to each of the first three glasses while her brother crushed five ice cubes into small pieces before adding them to each of the other three glasses. Ten minutes after all the ice had been added to the glasses, Lillian used a thermometer to measure the temperature of the soda in each glass