Qtr 1 Fast & Curious

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 is the independent variable?

• the amount of water

• the kind of plant

• how tall the plants grow

• the amount of sunlight it gets

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The type of variable that responds to the experiment and is what you measure or count to determine if your hypothesis is true.

• Independent variable

• Dependent variable

• Controlled variable (constant)

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Dory 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 ball
• height of the ramp
• mass of the ball
• ball type

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Using the picture, identify the control group.

(Click on the picture to enlarge it.)

• Trial 1

• Trial 2

• Trial 3

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Which statement most accurately compares the difference between scientific theories and scientific laws?

• Scientific laws are based on evidence while scientific theories are not

• Scientific theories involve only biology, while scientific laws involve all types of science.

• Scientific theories involve mathematical equations, while scientific laws are based on observations.

• Scientific laws predict or state what will happen in a natural event, while scientific theories explain why those events happen.

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Reproduction that only involves one parent and produces identical offspring

• Asexual

• Sexual

• Division

• Addition

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What is an autotroph?

• an organism that can make their own food.

• an organism that cannot make their own food

• an organism whose cells do not contain nuclei.

• an organism whose cells contain nuclei.

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Plants and animal cells are examples of ___ cells 

• prokaryotic cells 
• eukaryotic cells 

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What type of cell has a nucleus? 

• eukaryotic
• prokaryotic 

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Maintaining a stable internal environment is called

• homeostasis

• equilibrium

• balance

• evenness

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