Nature of Science -Review

Joseph put water, sugar, and Yeast into a balloon. Then he put the balloon in a warm place for 1 hour.  Which of the following is the most like the change happening in Joseph's balloon

• Breaking a block of ice
• butter melting on a piece of boiled corn
• Placing ice water in an ice tray
• bubbles rising in a class of water

Daniel put water, sugar, and yeast into a balloon. Then he measured the mass of the balloon. He measured the mass of the balloon.  He put the balloon in a warm place for 2 hours. Then he measured the mass again. He repeated the experiment three times to get more data. Predict how the mass of the balloon changed.

• same mass
• less mass
• more mass
• no more mass

which of these correctly describes a change in the state of matter.

• liquid water ---- melts ------ solid water
• liquid water ----- boils ---- water vapor
• solid water -----  condenses ----- liquid water
• water vapor ---- evaporates  -----liquid water

Which of these represent a chemical change?

• A waterfall
• breaking glass
• fireworks
• cutting wood with an axe

What condition has the most effect on the speed at which  a substance changes from one state to another?

• temperature
• light
• color
• shape

Which of these substances will dissolve in boiling water the fastest

• oil
• salt
• pepper
• garlic

Which state of matter takes the shape of the container into whic it is poured?

• solid
• liquid
• gas
• non of the above

Which method will  Lynn use to effectively separate Sugar from water ?

• Evaporate it
• Freeze it
• Heat it
• Filter it

Yabdier has a test filled with a liquid. Which tool will he use to measure its volume.

• a thermometer
• ruler
• balance
• graduated cylinder

At what temperature will water appear in the form of a gas 

• Between 0 degrees and 100 degrees
• above 100 degrees
• between 0 and 120 degrees
• below 0 degrees