25 - 26 Ducworth Science and Engineering Assessment

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Last Name

What is the independent variable?

• Top Speed in mph
• Maximum Height in ft
• Maximum Hill Heights and Top Coaster Speeds

What is the dependent variable?

• Top Speed in mph
• Maximum Height in ft
• Maximum Hill Heights and Top Coaster Speeds

Two groups of hikers were tested to compare the amount of time they hiked. Each group hiked the same routes. One group wore light-weight boots to hike. The other group wore heavy-weight boots to hike. What is the independent variable?

• the hikers
• the weight of the boots
• the amount of time they hike
• where they hike

A scientist wants to test the effectiveness of watering sunflower plants. The scientist found that sunflowers that get more water will grow over six feet tall. What is the dependent variable?

• the sunflowers
• the growth of the sunflowers
• the amount of water
• the location where they are grown

Doctors wanted to test the effectiveness of an asthma medication. One group of children took asthma medication, while another group of children took no medication. Doctors concluded that children who take asthma medication will have fewer asthma attacks. What is the independent variable?

• the asthma medication
• the amount of children
• the number of asthma attacks
• all of the above

Doctors wanted to test the effectiveness of an asthma medication. One group of children took asthma medication, while another group of children took no medication. Doctors concluded that children who take asthma medication will have fewer asthma attacks. What is the dependent variable?

• the asthma medication
• the amount of children
• the number of asthma attacks
• all of the above

Athletes who do not get enough sleep the night before will not run as fast the next day. What is the independent variable?

• the amount of sleep
• the speed of the athlete
• the number of athletes
• the nights without sleep

Athletes who do not get enough sleep the night before will not run as fast the next day. What is the dependent variable?

• the amount of sleep
• the speed of the athlete
• the number of athletes
• the nights without sleep