Crash Course Wood

What form of energy is being CREATED here? There is more than one answer!

• Electrical

• Thermal

• Radiant (Light)

• Mechanical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the primary component of wood that gives it strength and rigidity?

• Cellulose

• Lignin

• Hemicellulose

• Pectin

Which process is responsible for the formation of wood in trees?

• Photosynthesis

• Respiration

• Transpiration

• Secondary growth

What is the term for the annual growth rings found in a cross-section of a tree trunk?

• Bark

• Cambium

• Xylem

• Annual rings

Which type of wood is known for being more resistant to decay and insects?

• Softwood

• Hardwood

• Plywood

• Particle board

What is the main chemical element found in wood?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

Tags

NGSS.MS-PS1-1

Which part of the tree is responsible for transporting water and nutrients from the roots to the leaves?

• Phloem

• Xylem

• Cambium

• Bark

What is the process called when wood is treated with chemicals to prevent decay?

• Lamination

• Preservation

• Seasoning

• Curing

Which of the following is a common use of wood in scientific experiments?

• As a reagent

• As a solvent

• As a structural material

• As a catalyst

What is the effect of moisture content on the density of wood?

• Increases density

• Decreases density

• No effect

• Varies with type of wood