WK 4 REMEDIATION: Plants & Experimental Design

Which statement is true about organisms in a food web? Choose ALL that apply.

• Only ANIMALS depend on other organisms for food

• Plants depend on the Sun for energy

• Animals do not need plants for survival

• The Sun is not important in a food web

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Select ALL organisms:

• Plants

• Animals

• Rocks

• Sun

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is a food web?

• A diagram showing how energy flows from the Sun to plants and animals

• A list of all plants in a forest

• A chart of animal sizes

• A map of plant locations

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the original source of all energy in a food web?

• Plants

• The Sun

• Animals

• Water

Tags

NGSS.MS-LS1-6

Which type of experiment best shows that plants need water to grow?

• Comparing plants in different climates

• Giving water to one group and not to another

• Changing the type of soil

• Varying the amount of sunlight

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Why is it incorrect to compare climates with rain to those without rain to determine if plants need water?

• It only considers temperature

• It involves too many variables

• It focuses only on soil type

• It ignores sunlight

Tags

NGSS.MS-LS2-1

In an experiment to test if plants need water to grow, what should the control group receive?

• No water

• Water

• Extra sunlight

• Fertilizer

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the main purpose of a control group in an experiment?

• To receive extra treatment

• To serve as a comparison

• To change the outcome

• To confuse the results

Tags

NGSS.MS-LS2-4

Which of the following is a necessary condition for a fair experiment?

• Changing multiple variables

• Keeping all variables the same except one

• Using different types of plants

• Varying the amount of sunlight