4.7C/ 5.5A

After it rained in the morning, a pan on a picnic table had one centimeter of rainwater in it. The rest of the day was hot and sunny. By 4:00 pm, all the rainwater in the pan had disappeared. What most likely happened to the rainwater in the pan?

• It turned to water vapor
• It changed state
• It evaporated
• all of the above

A student is making a cake. The student combines flour, baking powder and salt in a large bowl and stirs the ingredients. This combination of ingredients is a

• suspension
• compound
• solution
• mixture

If your hands are cold, you can warm them by rubbing them together. The heat energy that you produce is caused by

• insulation
• magnetism
• friction
• conduction

A magnet is placed next to toys of different materials on a table. Which toy will attract a magnet?

• the iron toy
• the plastic toy
• the glass toy
• the rubber toy

On the Celsius scale the boiling point of water is ________.

• 212 degrees
• 100 degrees
• 32 degrees
• 0 degrees

All of the following are advantages for using renewable resources EXCEPT--

• they can be replenished in a short period of time
• they can be used repeatedly without decreasing the supply
• they reduce the demand of fossil fuels
• they have a positive impact on our environment and our lives

Which of the following is NOT identified as a renewable resource?

• Fish population
• Natural Vegetation
• Mineral Deposits
• Corn Crop

Fossil fuels are used to produce about 80% of the energy we use on Earth. Which statement best describes how fossil fuels affect the environment?

• Fossil fuels produce carbon dioxide
• Fossil fuels are used faster than they can be replaced
• Fossil Fuels are used to make energy for engines
• Fossil Fuels produce oxygen which plants turn into carbon dioxide

Which best completes this list of renewable resources; cow, oxygen fruit, _____

• Oil
• Timber
• Fossils
• Fossils Fuels