Science Milestones

In this picture, the Electrons are found in which color?

• Blue

• Red

• Green

Tags

NGSS.MS-PS1-1

Matter in the universe is made from atoms.  Atoms make up these pure substances that cannot be broken down into a simpler form.  

• Compounds

• Elements

• Molecules

• Periodic Table

Tags

NGSS.MS-PS1-1

Sound waves are transmitted fastest through

• air

• liquids

• solids

• a vacuum

Tags

NGSS.MS-PS4-2

It was a cold, sunny day and the ground was covered with fresh snow.  Maria word her black sweatshirt outside to plat in the snow.  She knew that black would _________ light waves and help keep her warm.

• absorb

• diffract

• reflect

• refract

Tags

NGSS.MS-PS4-2

As the fire truck approached Mary, the pitch of the siren got higher.  Once the fire truck passed and moved away, the siren's pitch got lower.  This change in pitch is because of a change in the sound wave's

• amplitude

• concussion

• frequency

• reflection

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

Salt (NaCl) is a common substance.  Salt is which of these?

• atom

• element

• compound

• mixture

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

Tags

NGSS.MS-PS2-2

Josie sees lightning off in the distance.  A few seconds later she hears thunder.  What can Josie conclude?

• Sound waves do not travel long distances

• Light waves travel faster than sound waves

• Sound waves are weaker than light waves

• Light waves last longer than sound waves