Future Food Lesson 1 Quiz

A scientist wanted to understand how trees use soil, air, and water. They planted a willow tree in a pot of soil and left it outside to grow. The willow tree received sun and rain for five years. The scientist measured the mass of the willow tree, the dry soil, and the pot at Day 1 and at the five-year mark. Which claim about how trees use soil, air, and water is correct?

• Soil provides most of the matter that plants need to grow.
• Air and water provide most of the matter that plants need to grow.
• Soil, air, and water have no effect on plant growth.
• Soil, air, and water have an equal effect on the matter that plants need to grow.

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The model shows how organisms in a woodland depend on each other for food. There is a lightning storm one night and half of the bluebirds in the community die. Which statement describes what might happen next?

• The number of grasshoppers will decrease
• The number of snakes will decrease
• The number of owls will double
• The grass will turn brown

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All the energy needed for life to grow on Earth originates from...

• the sun
• the moon
• the air
• the ground

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A pond plant is placed in a tube of water and placed under a light. The plant begins producing small bubbles after being under the light. The number of bubbles the plant produces in one minute is recorded. The plant is then moved farther and farther away and results recorded. Select the best explanation of the results from the options below.

• The plant produces carbon dioxide when under the light due to the process of photosynthesis. The farther the plant is from the light, the more photosynthesis that occurs, and therefore more bubbles are made.
• The water produces carbon dioxide when under the light due to the process of cellular respiration. The closer it is from the light, the more cellular respiration that occurs, and therefore more bubbles are made.
• The plant produces oxygen when under the light due to the process of photosynthesis. The closer the plant is to the light, the more photosynthesis that occurs, and therefore more bubbles are made.

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Kai investigated the effect of the intensity of light on potato plants. He plants four potatoes at the same time and waits to see how quickly they grow. The model below shows the plants after four weeks. Which plant grew the most, and why?

• Plant 1 grew the most because it had a larger pot than the other plants and could collect more water.
• Plant 1 grew the most because it had more sunlight and could do more photosynthesis than the other plants.
• Plant 4 grew the most because it had periods of darkness, allowing time for photosynthesis to occur.

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True/False Atoms are the basic building blocks of matter

• True
• False

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Which of the following are particles that make up an atom? (select all that apply)

• Protons
• Cells
• Neutrons
• Electrons

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When two or more atoms are bonded together they form:

• A cell
• A molecule
• An atom
• An anomaly

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True/False A chemical reaction will change the structure of an atom

• True
• False

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True/False: When a chemical reaction occurs, the new substance will have different properties than the atoms it was made from

• True
• False

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