Understanding

From the data table, which samples are made of the same material?

• A, B, and D are the same

• B, C, and D are the same

• None of the samples are the same

Tags

NGSS.MS-PS1-2

What are the dangers of a violent tropical storm? Check all the possible answers.

• strong winds

• storm surges

• eartquakes

• relative humidity

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

NGSS.MS-ESS3-2

What is the primary function of the mitochondria in eukaryotic cells?

• Energy production

• Protein synthesis

• Photosynthesis

• Cell division

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

Which of the following best describes the process of osmosis?

• Movement of water across a semipermeable membrane

• Diffusion of solutes across a membrane

• Active transport of ions

• Facilitated diffusion of glucose

Tags

NGSS.MS-LS2-1

What is the chemical formula for glucose?

Tags

NGSS.MS-PS1-1

Which law explains the relationship between the pressure and volume of a gas at constant temperature?

• Boyle's Law

• Charles's Law

• Avogadro's Law

• Newton's Law

What is the main purpose of chlorophyll in plants?

• Absorb light energy for photosynthesis

• Transport water and nutrients

• Protect against herbivores

• Store energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In a chemical reaction, what does the law of conservation of mass state?

• Mass is neither created nor destroyed

• Energy is neither created nor destroyed

• Mass and energy are interchangeable

• Atoms are rearranged but not changed

Tags

NGSS.MS-PS1-5

Which of the following is an example of a chemical change?

• Rusting of iron

• Melting of ice

• Boiling of water

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the primary role of enzymes in biological processes?

• Speed up chemical reactions

• Provide energy

• Act as structural components

• Transport molecules