5622

Identify an example of each of the three states of matter present when the candle is burning.

• The melting wax

• Liquid

• The hard wax of the candle

• Solid

• The fire/flame

• Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

NGSS.MS-PS3-4

What is the atomic number of the element with the symbol 'Fe'?

• 24

• 26

• 28

• 30

Which of the following is the chemical formula for glucose?

Tags

NGSS.MS-PS1-1

What is the process by which plants convert sunlight into chemical energy?

• Respiration

• Photosynthesis

• Transpiration

• Fermentation

Tags

NGSS.MS-LS1-6

Which of the following is a noble gas?

• Oxygen

• Nitrogen

• Helium

• Hydrogen

What is the primary gas found in Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

Which law states that energy cannot be created or destroyed, only transformed?

• Newton's First Law

• Law of Conservation of Energy

• Law of Universal Gravitation

• Law of Thermodynamics

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the pH level of pure water at 25°C?

• 5

• 7

• 9

• 11

Which planet is known as the Red Planet?

• Venus

• Mars

• Jupiter

• Saturn

What is the chemical symbol for gold?

• Au

• Ag

• Pb

• Pt