NGSS.MS-LS1-5

The height of the bean plant depends on how much water they receive. What is the dependent variable? 

• Same amount of sunlight
• Same soil and water
• How much water they received
• The height of the bean plant 

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NGSS.MS-LS1-5

How do stem cells know what type of cells to differentiate into?

• The nucleus has instructions to turn some genes on and some genes off
• Signals from chemicals in the organism or from the environment determine which genes will be turned on and off
• Genes turn on and off randomly
• The cell has unique DNA that determines what the cell will become.

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NGSS.MS-LS1-5

If I water the plant more often, then it will grow taller.  Name the dependent variable.

• The amount of water.
• The amount of soil.
• The height of the plant.
• The amount of water.

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NGSS.MS-LS1-5

Sadie is testing how the age of a seed affects how fast plants grow. Look at the picture to see if you can figure out what makes her experiment unfair. Mark all that apply.

• She used different types of seeds/plants.

• The plants are in different pots.

• She did not plant very many plants.

• Seed age might not make a difference.

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NGSS.MS-LS1-5

According to this chart, in which condition does fuchsia grow best in?

• Full sun

• Partial sun

• Partial shade

• Dappled sun

• Full shade

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NGSS.MS-LS1-5

1) What would be a positive reason to genetically alter Fraser Fir trees in North Carolina to make them more resistant to rot?

• By producing crops that are frost resistant

• By making robots to replace large farm machines

• The population of fir trees would increase and grow healthier.

• By increasing the use of wind farms that produce electricity

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NGSS.MS-LS1-5

What amount of sunlight makes pea plants grow tallest? What is the independent variable?

• height of pea plants

• amount of sunlight

• type of soil

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NGSS.MS-LS1-5

The type of flower, the amount of light and the type of soil are the ______________.

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NGSS.MS-LS1-5

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was 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

• One plant is in the sunlight and the other is under a box

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NGSS.MS-LS1-5

Traits can be inherited or influenced by ______ factors, like the sun. 

• environmental
• mutation
• variation
• genetic

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NGSS.MS-LS1-5