Physical Science STAAR Review

A beaker containing a solution of 10 grams of salt and 50 mL of water is placed on hot plate. How much salt will remain in the beaker after all of the water has evaporated?

• 60 grams
• 10 grams
• 50 grams
• 0 grams

Tags

NGSS.MS-PS3-4

A student adds sand to a beaker containing water. Which statement is true?

• The sand will sink to the bottom
• The sand will dissolve
• The sand will float
• The sand will evaporate

Tags

NGSS.MS-PS2-2

A student has a mixture of pepper flakes and iron filings. She wants to separate them. Which method would be the fastest and easiest?

• Pick out the pepper flakes with a tweezer.
• Add water to dissolve the pepper.
• Use a magnet to pull out the iron filings
• Use a screen to separate each item

Which is a true statement about light energy?

• Light travels in a straight line
• Light is vibrations
• Light is not energy
• Light is a type of matter

Which object refracts light?

• moon
• lens
• mirror
• shadows

Tags

NGSS.MS-PS4-2

All of these are true about refraction EXCEPT-

• Light bends as it passes through different materials
• Shadows are created
• Objects look larger, smaller, bent, or rainbow.
• Telescopes, eye glasses, water refract light

Tags

NGSS.MS-PS4-2

What do we call an object that light waves travels through

• large

• medium

• solid

• opaque

Tags

NGSS.MS-PS4-2

any material heat or electricity can easily move through

• conductor
• resistor
• insulator
• locator 

Tags

NGSS.MS-PS1-4

Bending of a wave when it changes mediums 

• reflection
• refraction 
• diffraction 
• convection 

Tags

NGSS.MS-PS4-2

Which of the following would be an insulator 

• copper 
• steel 
• plastic 
• graphite 

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3