Common Assessment Science

What is the difference between an element and a compound?

• An element is a pure atom and a compound is a combination of atoms.

• An element is a pure substance and a compound is a combination of elements.

• Elements are mixtures and compounds are chemically combined.

• A element can be made of different atoms and substances while compounds are made of only two different elements.

_________ are pure substances made of one type of atom.

• Compounds

• Mixtures

• Elements

• Photosynthesis

Which of the following is an element?

• Air

• Carbon Dioxide

• Steel

• Oxygen

Which correctly lists elements?

• S₂Fe, Al, Sr, O

• C, Fe, Al, Sr

• h₂o, C, Al, S

• c, fe, al, sr

Tags

NGSS.MS-PS1-1

Which of the following is a property that can be used to identify a substance?

• Color

• Smell

• Density

• All of the above

What is the process by which water vapor changes back into liquid water?

• Evaporation

• Condensation

• Precipitation

• Transpiration

Tags

NGSS.MS-ESS2-4

Which of the following is NOT a physical change?

• Boiling water

• Dissolving sugar in water

• Burning wood

• Freezing water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What is the basic unit of life?

• Atom

• Molecule

• Cell

• Tissue

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which organ system is responsible for transporting nutrients and oxygen to the cells?

• Digestive system

• Circulatory system

• Respiratory system

• Nervous system

What is the term for the variety of life in the world or in a particular habitat or ecosystem?

• Ecology

• Biodiversity

• Conservation

• Evolution

Tags

NGSS.MS-LS2-5