battle of brains round 2

Oil, natural gas and coals are examples of...

• Biofuels

• Geothermal resources

• Renewable resources

• Fossil fuels

Which of these is a major concern about the overuse of antibiotics?

• It can lead to antibiotic-resistant bacteria

• There will be an antibiotic shortage

• Antibiotics can cause secondary infections

• Antibiotics will get into the water systems

A car travels at a constant speed of 40 miles per hour. How far does the car travel in 45 minutes?

• 25 miles

• 30 miles

• 35 miles

• 40 miles

What is the hardest substance on Earth?

• gold

• diamond

• iron

• platinum

All matter is made up of

• puppies

• atoms

• adams

• cells

Carbohydrates are made up of which monomers (smallest units)?

• amino acids

• nucleotides

• simple sugars (glucose)

• fatty acids

Which of the following statements best describes the composition of air?

• air is only made up of nitrogen

• air is only made up of oxygen

• air is only made up of carbon dioxide

• air is made up of a mixture of different gasses

All good science begins with ______________.

• making observations and asking questions

• memorizing the textbook

• jumping jacks

• falling asleep during class

How is velocity different than speed?

• Average

• Direction

• Faster

• Slower

A hair dryer changes electrical energy into what type of energy?

• Kinetic energy

• Friction

• Thermal energy

• Mechanical energy