Building Shape Models - 2nd Grade Science
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What should you include in a simple model to show how shape helps an object work?
What should you include in a simple model to show how shape helps an object work?
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The important shape parts that affect the job. Models show only the essential features that matter.
The important shape parts that affect the job. Models show only the essential features that matter.
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Identify the best label for a part of a model that does the cutting on scissors.
Identify the best label for a part of a model that does the cutting on scissors.
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Blade. The blade is the sharp part that does the cutting work.
Blade. The blade is the sharp part that does the cutting work.
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Which change would most improve a paper airplane model for gliding: larger wings or smaller wings?
Which change would most improve a paper airplane model for gliding: larger wings or smaller wings?
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Larger wings. More wing area creates more lift for better gliding.
Larger wings. More wing area creates more lift for better gliding.
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Which shape change would make a boat model float more steadily: wider base or narrow base?
Which shape change would make a boat model float more steadily: wider base or narrow base?
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Wider base. Wide bases spread weight over more water for stability.
Wider base. Wide bases spread weight over more water for stability.
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What should you do after building a model to check if the shape helps it work?
What should you do after building a model to check if the shape helps it work?
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Test the model and observe what happens. Testing shows if your shape design actually works.
Test the model and observe what happens. Testing shows if your shape design actually works.
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What does function mean for a tool or object?
What does function mean for a tool or object?
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The job the object is made to do. Function means the purpose or task something is designed for.
The job the object is made to do. Function means the purpose or task something is designed for.
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Which word best completes this sentence: The shape of an object helps it ____.
Which word best completes this sentence: The shape of an object helps it ____.
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work. Objects are designed with shapes that help them do their jobs.
work. Objects are designed with shapes that help them do their jobs.
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Which shape is best for a wheel to roll smoothly: round or square?
Which shape is best for a wheel to roll smoothly: round or square?
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Round. Circles roll easily because they have no corners to catch.
Round. Circles roll easily because they have no corners to catch.
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Which shape is best for a ramp to help an object move down: slanted flat surface or vertical wall?
Which shape is best for a ramp to help an object move down: slanted flat surface or vertical wall?
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Slanted flat surface. Slopes let gravity pull objects down smoothly.
Slanted flat surface. Slopes let gravity pull objects down smoothly.
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Which tool part is pointed to help it pierce: a nail tip or a hammer head?
Which tool part is pointed to help it pierce: a nail tip or a hammer head?
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A nail tip. Points concentrate force to push through materials.
A nail tip. Points concentrate force to push through materials.
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What shape feature helps scissors cut: sharp edges or round edges?
What shape feature helps scissors cut: sharp edges or round edges?
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Sharp edges. Sharp edges concentrate force to slice through materials.
Sharp edges. Sharp edges concentrate force to slice through materials.
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Which shape feature helps a spoon hold liquid: a bowl-shaped end or a flat end?
Which shape feature helps a spoon hold liquid: a bowl-shaped end or a flat end?
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A bowl-shaped end. Curved shapes can hold liquids without spilling.
A bowl-shaped end. Curved shapes can hold liquids without spilling.
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Which shape feature helps a bowl keep food inside: deep sides or no sides?
Which shape feature helps a bowl keep food inside: deep sides or no sides?
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Deep sides. Tall sides prevent contents from falling out.
Deep sides. Tall sides prevent contents from falling out.
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Which shape feature helps a key fit a lock: matching grooves or a smooth edge?
Which shape feature helps a key fit a lock: matching grooves or a smooth edge?
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Matching grooves. Unique patterns ensure only the right key opens the lock.
Matching grooves. Unique patterns ensure only the right key opens the lock.
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Which object shape is best for stacking: flat top and bottom or a pointed bottom?
Which object shape is best for stacking: flat top and bottom or a pointed bottom?
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Flat top and bottom. Flat surfaces sit evenly on each other for stability.
Flat top and bottom. Flat surfaces sit evenly on each other for stability.
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