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Fourth Grade Science
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An Octopus has...
Tentacles.
Legs.
Arms.
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These are called
Sensory organs.
Central nervous system.
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This is a...
Leaf.
Root.
Stem.
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In order to breathe, Sharks have...
Lungs.
Oxygen.
Gills.
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What plant tropism is this?
Thygmotropism.
Phototropism.
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In picture B, the roots are moving in the direction of water. This is an example of...
Gravitropism.
Hydrotropism.
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This plant part is called
Leaf
Stem
Root
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This picture shows the process of...
Thigmotropism.
Photosynthesis.
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Instead of skin, reptiles have...
Scales.
Fur.
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The most important thing a flower produces is...
Seeds.
Nutrients.
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This plant part...
Protects the plant.
Absorbs water and nutrients.
Gives the plant its stem.
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The tropism that makes plant stems resppond to gravity is...
Gravitropism.
Geotroopism.
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Which of these is necessary for photosynthesis?
Oxygen.
Carbon Dioxide.
Vitamin K.
Nitrogen.
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Mammals usually have their body covered in
Fur.
Hair.
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True or False: Many animals help in pollination.
False.
True.
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Different beaks help different birds get food.
True.
False.
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True or False: Sensory organs CAN'T process information.
False.
True.
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What is the gas humans make that plants use in photosynthesis?
Argon.
Nitrogen.
Oxygen.
Carbon Dioxide.
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Okay!
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