8th Grade Science Unit 7 Test - Energy, Forces and Motion

Jackson and Ava are having a friendly competition in a game of tug-of-war at the school picnic. Can you identify the type of force that requires the rope to be in physical contact with their hands?

• Noncontact force

• Magnetic force

• Contact force

• Buoyant force

Imagine you're a superhero like Henry or Grace, and you have the power to move objects without touching them. Which force are you using?

• Friction

• Noncontact force

• Tension

• Normal force

Tags

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David and Harper are on a mission to move a giant treasure chest across the ancient temple floor. What is the mysterious force called that tries to stop the chest from sliding smoothly as it rubs against the floor?

• Tension

• Gravity

• Friction

• Air resistance

Charlotte and Harper are having a fun day in the snow. Charlotte is pulling a sled with a rope while Harper cheers her on. What is the force transmitted through the rope called?

• Tension

• Magnetic force

• Buoyant force

• Inertia

Imagine you're on a magical adventure with Evelyn, Zoe, and Henry. Suddenly, you all start floating! What mysterious force pulls you back down to Earth?

• Normal force

• Gravity

• Electric force

• Applied force

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Mason and Avery are on a magnetic adventure! Can you guess which force is at play when they bring magnets close to each other or near magnetic materials?

• Friction

• Tension

• Magnetic force

• Air resistance

Tags

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Emma and Luna are on a magical adventure, exploring the mysteries of the ocean. They discover a hidden treasure chest floating effortlessly on the water's surface. What is the magical upward force exerted by the ocean that keeps the treasure chest afloat called?

• Buoyant force

• Normal force

• Applied force

• Net force

Elijah and Grace are playing a game where they place objects on different surfaces. What is the force called that the surface exerts to support the weight of an object resting on it?

• Friction

• Normal force

• Tension

• Inertia

As Emma zooms down the hill on her bicycle, feeling the rush of the wind, what type of force is playfully pushing against her, trying to slow her down?

• Gravity

• Air resistance

• Magnetic force

• Electric force

Imagine Harper and Kai are playing with two charged balloons. What magical force causes these balloons to either pull towards each other or push away?

• Friction

• Electric force

• Tension

• Buoyant force

Tags

NGSS.MS-PS2-3

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