What is the symbol for the element with atomic number 99?

• E

• Es

• Er

• Eu

Which of the following is the correct formula for energy in Einstein's mass-energy equivalence principle?

• Energy

• Electric field

• Entropy

• Enthalpy

Tags

NGSS.HS-PS3-1

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Which of the following elements is represented by the letter 'E' in the periodic table?

• Einsteinium

• Erbium

• Europium

• None

What is the unit of energy in the International System of Units (SI)?

• Joule

• Erg

• Electronvolt

• Calorie

Which of the following is an example of potential energy?

• A stretched spring

• A moving car

• A flowing river

• A spinning wheel

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NGSS.MS-PS3-2

What type of energy is stored in a battery?

• Chemical energy

• Kinetic energy

• Thermal energy

• Nuclear energy

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NGSS.HS-PS1-4

Which of the following processes is an example of energy transformation?

• Photosynthesis

• Evaporation

• Condensation

• Filtration

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NGSS.HS-LS1-5

What is the primary source of energy for the Earth's climate system?

• The Sun

• The Moon

• The Earth's core

• The atmosphere

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NGSS.HS-ESS1-1

NGSS.HS-ESS2-4

In the context of energy, what does the term 'efficiency' refer to?

• The ratio of useful output to total input

• The speed of energy transfer

• The amount of energy lost as heat

• The total energy consumed

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-4