Exploring Photosynthesis and the Van Helmont Experiment

What is the primary source of energy for Earth?

• The Moon

• Wind

• The Sun

• Geothermal heat

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

What process do plants use to convert light energy into chemical energy?

• Respiration

• Digestion

• Photosynthesis

• Fermentation

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NGSS.MS-LS1-6

NGSS.MS-LS1-7

Which organisms are known as autotrophs?

• Bacteria

• Animals

• Fungi

• Plants

What gas is released as a byproduct during photosynthesis?

• Carbon dioxide

• Oxygen

• Nitrogen

• Hydrogen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How did the Earth's atmosphere originally differ from today?

• It contained more nitrogen

• It was oxygen-rich

• It was mostly carbon dioxide

• It had no oxygen

What significant change occurred after photosynthesis evolved?

• Decrease in sunlight

• Increase in carbon dioxide

• Increase in water vapor

• Development of an oxygen-rich atmosphere

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NGSS.MS-LS1-6

What type of nutritional acquisition do animals use?

• Photosynthesis

• Autotrophy

• Heterotrophy

• Chemosynthesis

Who conducted an experiment to understand how plants gain mass?

• Isaac Newton

• Albert Einstein

• Jan Baptista van Helmont

• Charles Darwin

What was the main misconception in van Helmont's conclusion?

• He ignored the role of air's carbon dioxide

• He underestimated the weight of water

• He didn't account for soil nutrients

• He miscalculated the tree's growth

According to van Helmont, what contributed to the tree's mass increase?

• Air only

• Sunlight

• Water only

• Soil minerals

Tags

NGSS.MS-LS2-1