Science QSA #1 Review

Water evaporating results in a physical change in matter from

• solid to liquid

• gas to solid

• solid to gas

• liquid to gas

The Science classes made a trail mix of goldfish, animal crackers and cereal. Why is the trail mix considered a mixture?

• It is a mixture because something dissolves.

• It is a mixture because you can separate the different items.

• It is a mixture because you cannot separate the different items.

• It is a mixture because you need to evaporate the water to separate the components.

Which of the following true statements about matter explains why the balloon is inflated?

• Matter, such as air, takes up space.

• Matter is a solid, liquid or gas.

• Matter has mass.

• All the kinds of matter are listed on the Periodic Table of Elements.

Which item is most likely magnetic?

• a rubber bank

• an steel nail

• a glass marble

• a copper penny

All of the following are examples of thermal energy EXCEPT the energy produced by-

• rubbing your hands together

• a hot plate boiling water

• plugging in a portable radio

• burning wood in a fireplace

A student created a circuit. Which of the following is true about the circuit?

• The circuit is open.

• The circuit is complete.

• The circuit is closed.

• The circuit is working.

A student made a sugar-water solution. How could the student separate the solution?

• He can't separate a solution.

• He can use spoon to dip out the sugar.

• He can use a filter to filter out the sugar.

• He can evaporate the water to leave the sugar.

Which word best describes the state of material of water vapor?

• solid

• gas

• liquid

• plasma

A dam demonstrates which of the following conversion of energies?

• Thermal to Electrical

• Chemical to Mechanical

• Mechanical to Electrical

• Sound to Thermal

What is the mass of the object on the balance?

• 392 g

• 932 g

• 203 g

• 293 g