Law of Conservation of Mass

Which element has the chemical symbol "O" on the periodic table?

• Oxygen

• Gold

• Silver

• Hydrogen

What is the law that states mass is neither created nor destroyed in a chemical reaction?

• Law of Gravity

• Law of Conservation of Mass

• Law of Inertia

• Law of Acceleration

Tags

NGSS.MS-PS1-5

Which of the following is a reactant in the process of photosynthesis?

• Oxygen

• Carbon dioxide

• Glucose

• Water vapor

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

• Two hydrogen atoms

• Two oxygen atoms

• Two molecules

• Two electrons

Tags

NGSS.MS-PS1-1

Which of the following is a product of photosynthesis?

• Carbon dioxide

• Water

• Oxygen

• Nitrogen

Tags

NGSS.MS-LS1-6

Which element is represented by the symbol "Na" on the periodic table?

• Nitrogen

• Sodium

• Neon

• Nickel

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Which of the following best describes a chemical equation?

• A mathematical formula

• A representation of a chemical reaction using symbols and formulas

• A list of elements

• A physical change

Tags

NGSS.MS-PS1-1

What is the chemical formula for glucose, a product of photosynthesis?

Tags

NGSS.MS-LS1-6

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1