Physical Science

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

Tags

NGSS.MS-PS3-5

After cooking, you place a hot pan on a cold counter. After a while, the frying pan, the counter, and the air in the room will all be at the same temperature. Why?

• Because thermal energy will be transferred from the pan to its surroundings

• Thermal energy from the pan will be transferred to the air, but not the counter

• Thermal energy from the pan will absorb the coldness from the counter

• None of the above

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The heat energy that is released when fuel is consumed was originally stored in the fuel's...

• chemical bonds

• burning flame

• waste products

• candle wx

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NGSS.MS-PS1-2

Nash puts his cold Coke Slurpee on to the metal roof of his mom's car. Describe the heat transfer that takes place.

• Heat is transferred from the car's roof into the Slurpee and increases the temperature of the Slurpee.

• Heat is transferred from the Slurpee into the roof and increases the temperature of the roof.

• The Slurpee stays the same temperature until it is completely gone.

• The roof doesn't change temperature due to the fact that it sits in the sun all day.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

On a cold day, Jamarria puts a hot bowl of soup down on a concrete table. Describe the energy transformation that will occur.

• Heat from the air is transferred to Jamarria's hand.

• Heat from the hot bowl of soup is transferred to the car door.

• Heat from the concrete table is transferred to the hot bowl of soup.

• Heat from the hot bowl of soup is transferred to the concrete table.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

If energy is lost during a chemical reaction, it is usually lost in the form of...

• potential energy

• radiant energy

• heat energy

• all of the above

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NGSS.MS-PS1-6

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Heat always travels from...

• Warm to cool

• Cool to warm

• Warm to warm

• Cool to cool

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NGSS.4-PS3-2

According to which law of energy, energy can't be created or destroyed?

• First law of motion
• The law of tacos
• Laws of Energy
• law of conservation of energy

Tags

NGSS.MS-PS3-5

What is the left part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Tags

NGSS.MS-PS1-5

2H₂ + O₂ ----> 2H₂O What is the product?

• ------>
• 2H₂O
• 2H₂+ O₂

Tags

NGSS.MS-PS1-2