Modified Pre/Post Assessment 26-27

Which statement best describes a physical property of matter? ($MS\text{-}PS1\text{-}2$)

A student places sugar into warm water and stirs it until the sugar disappears. What happened? ($MS\text{-}PS1\text{-}4$)

Which particle has a negative charge? ($MS\text{-}PS1\text{-}1$)

Which example is a chemical change? ($MS\text{-}PS1\text{-}2$)

A student measures the mass of a sample before and after a chemical reaction. The mass stays the same. What law does this demonstrate? ($MS\text{-}PS1\text{-}5$)

Which statement best describes atoms? (MS-PS1-1)

Which type of matter has a definite volume but no definite shape? (MS-PS1-4)

Which evidence would best show that a chemical reaction occurred? (MS-PS1-2)

A scientist compares the density of four objects.

Object    Mass (g)    Volume (cm³)
A     10     5
B     12     6
C     15     3
D     20     10

Which object has the greatest density? (MS-PS1-2)

Which statement correctly describes a pure substance? (MS-PS1-2)

What happens to particles when a solid melts? (MS-PS1-4)

Which example would best represent a compound? (MS-PS1-1)

Which tool would best measure the volume of water? (MS-PS1-2)

Which statement describes a heterogeneous mixture? (MS-PS1-2)

Why do particles in gases spread out to fill a container? (MS-PS1-4)

Which line on a graph best represents increasing temperature during heating? (MS-PS1-4)

Which force causes objects to fall toward Earth? (MS-PS2-4)

What happens when two forces acting on an object are balanced? (MS-PS2-2)

A soccer ball is kicked across a field. Which force slows the ball down? (MS-PS2-2)

Which object would most likely be attracted to a magnet? (MS-PS2-3)

Which statement is true about inertia? (MS-PS2-2)

Two students push a box in opposite directions. One pushes with 10 newtons (N) and the other pushes with 6 newtons (N). What is the net force? (MS-PS2-2)

Which situation shows action and reaction forces? (MS-PS2-1)

Why do astronauts appear weightless in space? (MS-PS2-4)

Which example on a graph shows an object moving at a constant speed? (MS-PS2-2)

A toy car speeds up when pushed harder. What causes the change? (MS-PS2-2)

Which statement best describes magnetic fields? (MS-PS2-3)

Why is wearing a seatbelt important in a moving car? (MS-PS2-2)

Which example demonstrates gravitational force? (MS-PS2-4)

Which statement best describes Newton’s Third Law? (MS-PS2-1)

A graph shows a bike rider traveling 5 meters every second.

What is the speed of the rider? (MS-PS2-2)

Which object has the greatest inertia? (MS-PS2-2)

What type of energy is stored energy? (MS-PS3-2)

Which example shows kinetic energy? (MS-PS3-1)

Which energy transformation occurs in a flashlight? (MS-PS3-5)

Why does rubbing hands together create warmth? (MS-PS3-3)

Which material is the best conductor of thermal energy? (MS-PS3-3)

A roller coaster car reaches the top of a hill. At this point, it has the greatest— (MS-PS3-2)

Which statement best describes conservation of energy? (MS-PS3-5)

Which example demonstrates energy transfer by conduction? (MS-PS3-3)

If a graph shows the temperature of water increasing from 20° C to 80° C over 10 minutes. What happened to the thermal energy? (MS-PS3-4)

Which example shows renewable energy? (MS-PS3-3)

What happens to particles as thermal energy increases? (MS-PS3-3)

Which device converts electrical energy into sound energy? (MS-PS3-5)

A student drops a ball from a height. As the ball falls, what happens? (MS-PS3-2)

Which type of energy travels in waves and can move through empty space? (MS-PS4-2)

Which statement correctly describes a wave? (MS-PS4-1)

Which wave has the highest frequency? (MS-PS4-1)

What happens when light reflects? (MS-PS4-2)

Which type of wave requires matter to travel? (MS-PS4-1)

On a diagram, which would best model a transverse wave? (MS-PS4-1)

A student shines light through a prism. What happens? (MS-PS4-2)

Which property of a sound wave determines pitch? (MS-PS4-1)

Which statement best explains why people see lightning before hearing thunder? (MS-PS4-2)

Which example demonstrates wave absorption? (MS-PS4-2)

A wave has a wavelength of 2 meters and a frequency of 5 Hz. Which statement is true? (MS-PS4-1)

Which technology uses electromagnetic waves? (MS-PS4-3)

Which example best demonstrates refraction? (MS-PS4-2)

Which graph represents increasing wave amplitude? (MS-PS4-1)

Which statement describes digital communication? (MS-PS4-3)

Which step comes first in the engineering design process? (MS-ETS1-1)

Why do engineers test prototypes? (MS-ETS1-2)

Which example is a design constraint? (MS-ETS1-1)

A team builds two bridge models and compares results. What are they doing? (MS-ETS1-3)

Which statement best describes criteria in engineering? (MS-ETS1-1)

Students design a water filter and improve it after testing. This process is called— (MS-ETS1-4)

Which of the following would best help engineers compare designs? (MS-ETS1-2)

Why is teamwork important in engineering? (MS-ETS1-2)

A student designs a paper airplane and changes the wing shape after testing. What skill is being used? (MS-ETS1-4)

Which example shows technology solving a problem? (MS-ETS1-1)

Which question would be most useful during engineering testing? (MS-ETS1-3)

Engineers often redesign products because— (MS-ETS1-4)

Which statement best explains why matter is conserved during a chemical reaction? (MS-PS1-5)

A student observes bubbles and temperature change during an experiment. What conclusion is most likely? (MS-PS1-2)

Which example best shows balanced forces? (MS-PS2-2)

Which object would require the greatest force to move? (MS-PS2-2)

Which type of energy increases as an object moves faster? (MS-PS3-1)

Which statement correctly compares conductors and insulators? (MS-PS3-3)

A student plucks a guitar string harder. What changes most? (MS-PS4-1)

Which electromagnetic wave is visible to humans? (MS-PS4-2)

Which engineering solution would best reduce flooding in a neighborhood? (MS-ETS1-1)

Which statement best explains density? (MS-PS1-2)

If a graph shows a runner increasing speed during a race, what most likely happened? (MS-PS2-2)

Which situation demonstrates potential energy changing to kinetic energy? (MS-PS3-2)

Why are darker colors usually warmer in sunlight? (MS-PS4-2)

Which engineering practice depends most on collecting accurate data? (MS-ETS1-3)

Which model best represents molecules in a gas? (MS-PS1-1)

Which force acts between Earth and the Moon? (MS-PS2-4)

A moving object hits another object and transfers energy. What occurred? (MS-PS3-5)

Which statement about sound waves is true? (MS-PS4-1)

Engineers designing a playground must follow safety rules. These rules are examples of— (MS-ETS1-1)

Which process separates salt from saltwater? (MS-PS1-2)

A skateboard continues rolling after being pushed because of— (MS-PS2-2)

Which example of a graph would best show increasing kinetic energy? (MS-PS3-1)

Which example uses wave technology to communicate? (MS-PS4-3)

Why do engineers create multiple solutions to one problem? (MS-ETS1-2)

Which statement best compares elements and compounds? (MS-PS1-1)

Which situation shows unbalanced forces? (MS-PS2-2)

Which energy transformation occurs in a toaster? (MS-PS3-5)

Which statement best describes how light and sound are similar? (MS-PS4-1)