Exploring Light and Energy Concepts

Develop a model to describe how light reflecting from a mirror allows you to see your reflection. Which of the following best represents this concept?

• Light passes through the mirror and creates an image on the other side.

• Light reflects off the mirror and enters your eyes, allowing you to see your reflection.

• The mirror absorbs light and then emits it back to create an image.

• Light bends around the mirror to form an image.

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Which of the following is an example of how plants have structures that support their survival?

• Leaves that capture sunlight for photosynthesis.

• Roots that grow above the ground.

• Flowers that change color with the seasons.

• Stems that are always green.

Make observations to provide evidence that energy can be transferred by sound. Which of the following scenarios best demonstrates this?

• A bell ringing and causing a nearby window to vibrate.

• A flashlight shining on a wall.

• A heater warming up a room.

• A battery powering a remote control.

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What happens to the energy when two marbles collide on a flat surface?

• The energy disappears completely.

• The energy is transferred from one marble to the other.

• The energy is absorbed by the surface.

• The energy is converted into light.

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Develop a model of waves to describe how they can cause objects to move. Which of the following best illustrates this concept?

• A wave passing through a pond and causing a leaf to bob up and down.

• A wave traveling through a vacuum without affecting anything.

• A wave that remains stationary and does not interact with objects.

• A wave that only moves in a straight line without any effect.

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Which of the following is an example of an internal structure in animals that supports survival?

• The heart pumping blood throughout the body.

• The color of an animal's fur.

• The length of an animal's tail.

• The pattern on an animal's skin.

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How can light energy be transferred from one place to another?

• By being absorbed and not moving.

• By reflecting off surfaces and traveling to new locations.

• By staying in one place and not interacting with anything.

• By disappearing after it is emitted.

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NGSS.MS-PS4-2

Predict the outcome when a moving car collides with a stationary car. What happens to the energy?

• The energy is lost and cannot be recovered.

• The energy is transferred to the stationary car, causing it to move.

• The energy is converted into sound only.

• The energy remains in the moving car.

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Which of the following best describes how waves can cause objects to move?

• Waves can pass through objects without any effect.

• Waves can push objects in the direction they are traveling.

• Waves can only move objects if they are very large.

• Waves can only move objects if they are very small.

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NGSS.MS-PS4-1

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Construct an argument for how the external structure of a turtle's shell supports its survival.

• The shell allows the turtle to swim faster.

• The shell provides protection from predators.

• The shell helps the turtle to climb trees.

• The shell makes the turtle more colorful.