1) The _____ is the factor you change in an experiment. a) dependent variable b) constant c) independent variable d) hypothesis 2) Variables that we keep the same are _____. a) constants b) independent variables (IV) c) dependent variables (DV) 3) The _________ is the factor that you measure in response to the independent variable. a) dependent variable (DV) b) independent variable (IV) c) control d) constants 4) In a study to determine how the TEMPERATURE OF THE ROOM affects a PLANT'S GROWTH, the INDEPENDENT variable is___. a) amount of growth (cm) b) the temperature of the room (°C) c) type of plant d) amount of light 5) In a study to determine how the TEMPERATURE OF THE ROOM affects a PLANT'S GROWTH, the DEPENDENT variable is___. a) amount of growth (cm) b) the temperature of the room (°C) c) type of plant d) amount of light 6) What factor is being measured/observed as it responds to independent variable? a) Hypothesis b) Dependent variable c) Constant variables d) Conclusion 7) What variable is tested in an experiment? a) Independent variable b) Dependent variable c) Constant variable 8) How many independent variable are allowed in an experiment? a) Three b) Two c) One 9) Max takes his skateboard to the top of a hill. He has friends of different weights ride down the hill one at a time. He tracks the time it takes them to get down the hill. What is the Independent Variable? a) Weight of Rider (kg) b) Height of hill (m) c) Time to get down the hill (sec) 10) Max takes his skateboard to the top of a hill. He has friends of different weights ride down the hill one at a time. He tracks the time it takes them to get down the hill. What is the Dependent Variable? a) Weight of Rider (kg) b) Height of hill (m) c) Time to get down the hill (sec) 11) Max takes his skateboard to the top of a hill. He has friends of different weights ride down the hill one at a time. He tracks the time it takes them to get down the hill. What is a constant?? a) Weight of Rider (kg) b) Height of Hill (m) c) Time to get down the hill (sec) 12) Abed wants to test how plant food makes algae grow in a fish tank. He has one tank with no fertilizer, one with 5 g of fertilizer, and one with 15 g of fertilizer. Which tank is his control? a) Tank with 15 g fertilizer b) Tank with 5 g fertilizer c) Tank with 0 g fertilizer d) There is no control

Science Variables - Practice

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