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WorksheetsGreen Our Planet Lesson Four
Total questions: 18
Worksheet time: 9mins
Observation, question, hypothesis, experiment, conclusion, and result are all part of the ____________________________.
Best guess method
Work method
Thinking method
Scientific method
None of the above.
When your body temperature rises from exercise and hot temperature _____________ helps keep your internal temperature at a comfortable 98.6 degrees Fahrenheit.
Icing
Slowing
Sleeping
Sweating
This is a possible explanation for a phenomenon or scientific problem that can be tested by further investigation.
Hypothesis
Best guess
Forensic science
Experimentation
How do plants get and use water?
The roots extend and stretch under the ground looking for water.
Roots absorb that water and take it up the stem.
The stem transports that water through what is called the xylem.
Only A and B.
All of the above.
Water gets up to the leaves of a plant through ________________________ which allows water to climb up these tubes.
Capillary action
Crawling action
Slow drainage
Photosynthesis
Plants have leaves, which are covered in something called:
Chlorophyll
Stomata
Pigment
Membrane
What is a stoma?
A very large hole in the plant's leaves that regulates gas exchange.
A tiny particle that helps with photosynthesis.
A root system that helps with evaporation.
A stoma is a tiny hole in the plant’s leaves that regulates gas exchange.
Stomata help cool off the plant by regulating the plant and environments.
True
False
Maybe
What is the purpose of the xylem?
To collect sunlight
To help the plant sleep
To transport water inside a plant
To provide food and nutrition for a plant
Which best describes capillary action?
Leaves collecting sunlight
Flowers producing seeds
Water moving up the xylem tubes
Evaporation that cools the plant
Where are the stomata found?
The entire plant
The stem of plants
The roots of plants
The leaves of plants.
The process of roots uptaking water, moving the water through the stem to the leaves, and where the water is lost at the surface is called:
Hypothesis
Transpiration
Sweating
Stomata process
What do plants need to grow?
Water
Air
Sunlight
Nutrients
All of the above.
Which is NOT a nutrient found in the soil?
Aluminum
Nitrogen
Phosophorus
Potassium
________________ is used by plants for lots of leaf growth and good green color.
Phosphorus
Potassium
Nitrogen
Selenium
________________________ is used by plants to help form new roots, make seeds, fruit and flowers. It's also used by plants to help fight disease.
Nitrogen
Potassium
Magnesium
Phosphorus
____________________ helps plants make strong stems and keep growing fast.
Potassium
Sulfur
Nitrogen
Phosphorus
Other important elements for plants to grow are:
Calcium, magnesium, and sulfur
Aluminum, calcium, and manganese
Nickel, copper, and sulfur
Copper, selenium, and baking soda
