Hypothesis: plants will grow more when the day is longer.

what is the independent variable?

What is a similarity between mass and weight?

A 83 kg zebra is traveling 13 km/hr east. What is the zebra's momentum?

How can a boat made of steel float? How can you calculate the maximum amount of mass you can add to a boat before it sinks? in terms of density, what determines if an object floats or sinks?

You need to determine the density of an unknown liquid and decide to perform an experiment. You notice that a wooden block floats in this liquid with 4.6 cm of the side of the block submerged.

The wavelength of the sound is 0.750m. What is the frequency?

Name six processes that are often involved in scientific inquiry.

What happens to the ball's velocity while the ball is traveling upwards?

What will happen to this current if a magnet is brought near the cord?

A 2.0 kilogram rifle initially at rest fires a 0.002 kilogram bullet. As the bullet leaves the rifle with a velocity of 500 meters per second, what is the momentum of the rifle - bullet system?

Do different volumes of water have the same density? Why or why not?