quiz bee grade10

A roller coaster climbs up a hill at 4 m/s and then zips down the hill at 30 m/s. The momentum of the roller coaster

• a. is greater up the hill than down the hill.

• b. is greater down the hill than up the hill.

• c. remains the same throughout the ride.

• d. is zero throughout the ride.

Which of the following is the phylum that includes man?

• Chordata

• animalia

• amphibia

• Reptilia

1. The smallest whole-number ratio of atoms of each element, combined in the simplest unit of a chemical compound is known as a(n)_______________.

Evidence confirms that gravitational mass

• a. depends on gravitational field strength.

• b. varies with location.

• c. depends on free-fall acceleration.

• d. equals inertial mass.

What is the correct Stock name for SnBr₄?

Which of these is not a learned trait?

• A. eating a banana

• brown eyes

• C. drinking a glass of water

• D. talking to your best friend

What is the formula for carbonic acid

Table salt is considered

• ion

• B. covalent compound

• C. ionic compound

• mixture

Constant Gravity value for free fall and universal gravitation is both 9.81m/s^{2 ( true _ false )}

_____ 6. Conservation of momentum follows from

• Newton’s first law.

• Newton’s second law.

• Newton’s third law.

• the law of conservation of energy.