Energy and Specific Heat

When athletes “carb-load” before exercise or an event, they eat a lot of carb-heavy foods that contain __________ energy. When they exercise or compete, that energy is transformed into _________ energy for motion.

• Light; sound

• Electromagnetic; nuclear

• Chemical; kinetic

• Mechanical; chemical

Tags

NGSS.MS-PS3-5

What kind of energy is released through changing the nucleus of an atom through fission or fusion?

• Light

• Thermal

• Chemical

• Nuclear

Tags

NGSS.HS-PS1-8

What temperature is the heat of fusion for the substance shown on the heating curve?

• 50 degrees celsius

• 100 degrees celsius

• -50 degrees celsius

• 0 degrees celsius

Tags

NGSS.MS-PS1-4

True or False: A substance with a high specific heat will heat up faster than a substance with low specific heat.

• True

• False

The standard unit of energy is:

• Velocity

• Joule

• Mass

• Calorie

Specific Heat is the amount of heat required to raise the temperature of one gram (or sometimes one kilogram) of a substance by one degree Celsius. You and your friends decide to go to Panama City Beach, the sand and the ocean both absorb the same amount of sunlight. The sand heats up ________ than the ocean because the ocean’s specific heat is 6 times larger than the sand.

• 6 times slower

• 6 times faster

• 2 times faster

• 2 times slower

Which of the following allows animals to live in water without being boiled alive?

• Water's low specific heat

• Water's high specific heat

• Water's high specific gravity

• Water's nuclear decay

Which of the following is NOT a type of potential energy?

• Elastic

• Gravitational

• Chemical

• Radiant

Tags

NGSS.MS-PS3-2

Describe the energy transformation that occurs when fireworks go off.

• Solar to electrical

• Electrical to light

• Chemical to electromagnetic to sound

• Solar to chemical

Tags

NGSS.MS-PS1-2

The heating curve of iron is shown below. Describe what is happening between points D and E.

• The sample of iron is melting.

• The sample of iron is boiling.

• The sample of iron is being heated in the solid state.

• The sample of iron is being heated in the liquid state.

Tags

NGSS.MS-PS1-4