Science Milestones Review

As light waves pass through openings in a barrier or around the edges of an object, the waves change direction or

• are absorbed

• diffract

• reflect

• refract

Tags

NGSS.MS-PS4-2

Jeff was riding in a car.  Which change demonstrates the GREATEST effect of inertia?

• The car makes a sudden stop

• the car slows down gradually

• the car changes into another lane

• the car runs out of gas and rolls to a stop

Manuel is coasting on his bike.  Because he is not pedaling, his bike will come to a stop.  Which of these will cause Manuel's bike to stop?

• an increase in kinetic energy

• Earth's magnetic field

• the property of inertia

• the force of friction

Students poured equal amounts of different liquids to see how the liquids became layered.  The denser liquids layered at the bottom. The lighter liquids layered at the top.  Which tool should the students us in this experiment?

• A balance scale

• a thermometer

• a magnet

• a graduated cylinder

Tom places four objects in a tank of water.  He makes the following observations.-A cork floats-A rock sinks-A soda can floats-A piece of chalk sinks. Which statement is correct based on Tom's observations?

• The rock and the chalk have a density greater than water

• The rock and the chalk have a density less than water

• The cork and the can of soda have a density equal to water

• The cork and the can of soda have a density greater than water

A scientist combines oxygen and hydrogen to form water.  This combination illustrates that water is

• An atom

• An element

• A mixture

• A compound

Tags

NGSS.MS-PS1-1

What is the smallest particle of the element gold (Au) that can still be classified as gold?

• Atom

• Proton

• Neutron

• Molecule

A chemical reaction produces two new substance, and each product has a mass of 50 grams.  What was the total mass of the reactants

• 25 grams

• 50 grams

• 100 grams

• 1000 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The atom is composed of electrons, protons, and neutrons.  What is the electric charge on the neutron?

• -1

• +1

• 0

• +2

Which of the following is an example of kinetic energy? 

• A baseball moving from the pitcher to the catcher

• A rock sitting on the top of a large hill

• A pendulum at the top of it swing

• A new flashlight battery

Tags

NGSS.MS-PS3-1