Physical and Chemical Changes-Notes SD

Multiple Choice

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

• Breaking a glass bottle

• Burning wood

• Melting ice

• Dissolving sugar in water

Multiple Select

Which of the following are physical properties of the matter pictured?

Check all that are true

• reacts to oxygen

• smooth

• malleable (bendable)

• reddish-brown

• shiny

Multiple Choice

What are the three examples of chemical changes shown in the image?

• Burning wood

• Baking soda and vinegar reaction

• Food becoming moldy

• All of the above

Multiple Choice

Would dissolving sugar into a cup of coffee be considered a physical or chemical change? Explain.

• Physical

  Change

• Chemical Change

Multiple Select

Identify 3 physical changes that could occur with a sheet of paper.

• Burning It

• Ripping it up

• Cutting It

• Coloring on It

Multiple Select

Identify 3 physical properties of a pencil.

• Color

• Wood

• Plastic

• Flammable

Multiple Choice

Is the process of digestion a physical or chemical change? Explain.

• Digestion is a chemical change because the food is broken down into new substances.

• Digestion is a physical change because the food is only broken into smaller pieces, like when chewing makes the food smaller, but it is still the same substance.

Fill in the Blanks

During a lab investigation, students followed this procedure:

Students observed bubbles immediately forming around the chalk. After the bubbles stopped forming, the students noticed that the chalk was smaller. Some students tried to recover the missing chalk from the vinegar, but no chalk particles were visible. 

What kind of change did the chalk undergo AND what evidence could be used to support the answer?

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident