6th grade Science 1st Semester Exam

Chefs need pans that can go from the stovetop to the oven. Some materials that are used for the handles of pans can be damaged by the high temperatures in ovens. Which statement best defines the design problem?

• The problem is to design ovens that won’t reach high temperatures
• The problem is to design stovetops that won’t reach high temperatures.
• The problem is to design plastic handles that won’t be damaged by high temperatures.
• The problem is to design pans that have handles that won’t be damaged by high temperatures.

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Benjamin and Aria are exploring the wonders of elastic energy! Can you help them find an example of an object that stores potential energy when its shape is changed? Is it a

• pencil

• spatula

• rubber band

• fork

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Which diagram shows the direction heat will flow?

• Towards 223 degrees
• Towards 199 degrees

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Imagine you're a wizard like Aria, and you have the magical power to transform ice into water. What is this enchanting change of state called?

• melting

• condensation

• evaporation

• freezing

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On a hot summer day, Aria and Priya are playing outside and start sweating. Which statement best explains how sweating helps cool them down?

• Water condenses on the skin, adding thermal energy to the body.

• Water from the body evaporates from the skin, removing thermal energy from the body.

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As the sun shines brightly, Oliver and Mia watch the snow slowly melt. What magical transformation is happening to the water particles in the snow?

• Particle motion is decreasing.

• Particle motion is increasing.

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A scientist performed an experiment during which she measured the energy transferred in each step of her experiment. The total quantity of energy transferred in all of the steps was less than the amount she measured at the beginning. What is the most likely explanation for this result?

• Energy was destroyed during certain steps in the experiment.
• The steps in the experiment required more energy than was available.
• The experiments created energy that was then used up at a faster rate.
• Some energy was transformed into unwanted heat or sound that was not detected.

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When Charlotte uses her hair dryer to style her hair for a fun day out, what magical energy transformation is happening?

• Energy from the sun is transformed to chemical energy.

• Sound energy is transformed to thermal energy and electrical energy.

• Electrical energy is transformed to thermal energy and sound energy.

• Thermal energy is transformed to sound energy and mechanical energy.

Imagine Mason zooming down the street on his bike. What type of energy is he using?

• sound energy

• heat energy

• mechanical energy

• potential energy

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How can you use energy to explain why pushing a small domino can cause larger and larger dominoes to fall?

• shape of the dominos
• size of the dominos
• energy transfer
• elastic potential energy

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