Science Exam 2015

Compounds with structures composed in a network pattern _________.

Compounds made of molecules can be _____________ at room temperature.

In metals their energy levels overlap. This allows their _________ to be able flow freely from one atom to the next.

Compounds made of molecules have ________ bonds between each molecule, even though the bonds holding the atoms together within the molecule are ___________.

Atoms will bond with other atoms so they have ______ valence electrons (except for hydrogen and helium, which will still have two) in order to become chemically stable.

Metals tend to __________ valence electrons when they react to form an ionic bond, and non-metals tend to _________ valence electrons when they react to form a ionic bond.

An ionic is made of a ________ bonded to a ____________.

Nonmetals are

If you pulled a book forward, at a constant speed, and the spring scale read 5 N, which of the following conclusions would be correct.

Which of the following is not accelerated motion

A tug of war that results in one team pulling the other across the line is an example of ____________.

Moving from 0 m/s to 25 m/s in 8.0 seconds equals an average acceleration of _________.

A cyclist is traveling at an initial speed of 10.0 m/s. She accelerates at a rate of 0.500 m/s^2. What is her final speed after 9.0 seconds?

The friction between the bristles of your toothbrush and the surfaces of your teeth is an example of __________ friction.

What are the fundamental forces?

The law that states that the unbalanced force acting on an object equals the object's mass times it acceleration is

The law that states that for every action force there is an equal and opposite reaction force is

The law that states that every object maintains a constance velocity unless acted on by an unbalanced force is

Which of the following is correct?

What is the unbalanced force that slows down a ball rolling across the floor?

In absense of air resistance, how would the acceleration of a 1.5 kg book and the acceleration of 15 kg rock differ if the objects were dropped from the same height?

Astronauts "float" when inside an orbiting spaceship because they are

Which of the following is an example of projectile motion?

Whenever a force is exerted, another force occurs that is _______ in size, and ________ in direction

The SI unit of force, named after the scientist who described the relationship between motion and force, is called the

If the net force on an object is zero, then the object has

According to the universal gravitation equation, the gravitional force between two objects decreases as ________ increases.

What were the minumun requirements to earn a 90% on your bottle rocket?

The force of gravity __________ as distance ________. These are _______ proportional.

You flicked an index card forward, while the penny on top of the card remained stationary.

Your binder remained stationary, being pulled down by gravity and supported by the desk.

You rolled a heavy ball and a light ball with the same force to view their acceleration.

You rolled two balls with with the same mass, but with different forces to view their acceleration.

You dropped a ball at the same time you threw a ball to see which hit the ground first.

Your bottle rocket exerted a downward force as the pressurized air escaped from the bottle, which exerted a an equal but opposite force in the opposite dirction causing the rocket to move upward.

The balloon-powered pinwheel spins because of action-reaction forces.

The Newton's cradle had one ball dropped, which hit the group of balls, and then one ball was pushed up on the opposite side.

If you drop a medicine ball and a basket ball at the same time, how can they accelerate at the same rate, regardless of mass?

The forces that hold different atoms or ions together are

An ionic bond is a bond that forms between

In which type of bond do atoms share electrons?

What is the name of BeF^2

Photosynthesis is an example of a(n) _________ chemical reaction in which plants absorb the sunlight to make glucose and oxygen

The energy need to start a chemical reaction is called

Describe how the chemical structure of a compound affects its properties. Use the evidence collected in our lab testing the properties of salt and sugar to support your arguments.

What does W for J stand for?

What does W the unit stand for?

What conclusion(s) could draw from the level lab #1 which you completed in class

A pair of tweezers is

What is the mechanical advantage of a ramp 2.0 m long and .50 m tall?

A pulley with a mechanical advantage of 5.00 is used to lift a bucket weighing 285 N. How much force must be used to lift the bucket?

An astronaut with a mass of 91kg is .30 m above the moon's surface. The astronaut's potential energy is 46J. Calculate the free fall acceleration on the moon.

The law of conservation of energy states that energy

Which of the following processes requires the most work?

What does I in IMA stand for?

What does the A in AMA stand for?

If the mechanical advantage is greater than one, it means that the machine ______________. In normal everyday English, this means that your force is ______ and the machines force is __________.

If the mechanical advantage is less than one, it means that the machine ______________. In normal everyday, this means that your distance is _______ and the machine's distance is __________.

If the MA is equal to one, it means that the machine _________