Verbos

What is the primary function of enzymes in biological systems?

• To provide energy

• To act as catalysts

• To store genetic information

• To transport oxygen

Which of the following is a chemical change?

• Melting of ice

• Boiling of water

• Rusting of iron

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the chemical formula for table salt?

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Ribosome

• Mitochondria

• Chloroplast

Tags

NGSS.MS-LS1-2

What is the acceleration due to gravity on Earth?

Which gas is most abundant in the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is the pH level of pure water?

• 0

• 7

• 14

• 5

Which planet is known as the Red Planet?

• Venus

• Mars

• Jupiter

• Saturn

What is the process by which plants make their food?

• Respiration

• Photosynthesis

• Digestion

• Fermentation

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the basic unit of life?

• Atom

• Molecule

• Cell

• Tissue

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2