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- 1. Multiple ChoiceThe parts of the experiment that must be kept the same.Constants
Independent variable
Dependent variable
Conclusion
- 2. Multiple Choice
Maya designed an experiment to answer the following question:
How does the amount of water given to a lima
bean seed affect how tall it grows?
In this experiment, what variable should Maya CHANGE?
the amount of water
the kind of plant
the type of soil
the amount of sunlight it gets
- 3. Multiple Choice
Esther became interested in insulation while her parent’s new house was being built. She decided to determine which insulation transferred the least heat. She filled each of 5 jars half-full with water.
She sealed each jar with a plastic lid.Then she wrapped each jar with a different kind of insulation. She put the jars outside in the direct sunlight. Later, she measured the temperature of the water in each jar. What is the independent variable?
The type of insulation
The temperature of the water
Number of houses
The amount of sunlight
- 4. Multiple Choice
Why is the placebo effect used?
To compare results between the real medicine and placebo
To make new medicine
To train doctors
To make food
- 5. Multiple ChoiceHow many variables should you change in an experiment?none
only 1
2 or moredepends on the type of experiment - 6. Multiple Choice
The type of variable that responds to the experiment and is what you measure or count to determine if your hypothesis is true.
IndependentDependentControl - 7. Multiple Choice
Thomas tests different types of liquids to see which will grow his plants the most. He has water, soda, milk, and no liquid at all. What is the control group?
the one with water
the one with soda
the one with milk
the one with no liquid
- 8. Multiple ChoiceThree baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant?height of the playerscolor of the balls thrownorder in which the players throwspot from which the players throw
- 9. Multiple ChoiceDory set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?distance traveled by the ballheight of the rampmass of the ballball type
- 10. Multiple Choice
Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed a tomato plant in 6 identical 10 inch pots with the same amount and type potting soil. She watered them ¼ cup each day. 3 plants were placed under a cardboard box and 3 plants were placed in the sunlight. She measured the growth of the plant each week for three weeks.
What is the dependent variable?
Using the same type of plant
Each plant was placed in a 10 inch pot
The growth of the plant
3 plants in the sunlight and 3 plants under a box
- 11. Multiple ChoiceAn experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...The type of plantThe amount of sunlightThe type of musicThe type of liquid
- 12. Multiple ChoiceWhat is the factor that an experimenter changes on purpose?Dependent VariableIndependent VariableConstantControl
- 13. Multiple Choice
A scientist hypothesizes that the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is
the male alligatorsthe incubatorthe gender of the alligatorthe temperature - 14. Multiple ChoiceIn this graph, what is the independent variable?PopulationDaySpecies 5
- 15. Multiple ChoiceIn this graph, what is the dependent variable?Walla Walla IslandTimeNumber of Deer
- 16. Multiple Choice
Erin is testing to see how different amounts of nitrogen infused in the soil will impact the height of her corn plants. She puts two corn plants into two pots. One is filled with nitrogen infused soil and the other is not. She puts the regular soil pot outside and the nitrogen infused plant in her bathroom. The corn in the regular soil grows to 7 feet tall and the corn in the nitrogen soil grows to 2 feet tall.
What is the dependent variable?
The regular soil
The nitrogen infused soil
The height of the plants
The plant in the bathroom
- 17. Multiple Choice
Using the picture, identify the control group.
Trial 1
Trial 2
Trial 3
- 18. Multiple Choice
What makes a good scientific question?
The question can be answered by yes or no.
The question can be answered by doing an experiment.
The question can be answered through extended thought.
- 19. Multiple Choice
Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed a tomato plant in 6 identical 10 inch pots with the same amount and type potting soil. She watered them ¼ cup each day. 3 plants were placed under a cardboard box and 3 plants were placed in the sunlight. She measured the growth of the plant each week for three weeks.
What is the independent variable?
Using the same type of plant
Each plant was placed in a 10 inch pot
The growth of the plant
3 plants in the sunlight and 3 plants under a box
- 20. Multiple ChoiceWhat step does every scientific experiment begin with?hypothesisquestion/problem
procedure or test
conclusion - Answer choicesTagsAnswer choicesTags