Chemical Powders Lab

What is the name for the properties of matter that can be detected by using your SENSES?

• chemical properties

• physical properties

• descriptive properties

Tags

NGSS.5-PS1-3

Which PROPERTY is being tested in the picture and what is the substance being tested? (*Hint it is bubbling and it smells like burnt marshmallows)

• physical property of baking soda

• Chemical property of baby powder

• Chemical property of powdered sugar

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is NOT an identifying property of baby powder?

• it melts and fizzes when it is heated

• it has a strong defined odor or smell

• water will repel and bead up on it when added

Tags

NGSS.MS-PS1-2

Which is NOT a defining property of flour?

• It has a creamy off white color

• it gets doughy when water is added

• it fizzes in vinegar

Tags

NGSS.MS-PS1-2

What is the name of the CHEMICAL in the picture that turned purple because it is positive for starch?

• vinegar

• sodium hydroxide

• Iodine

Tags

NGSS.MS-PS1-2

Which is the BEST descriptor of baking soda?

• it turns Iodine purple

• it fizzes and bubbles in water

• it has a grainy texture and reacts with vinegar

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which would NOT be a correct description of corn starch?

• it has a squeaky feel and sound when you pinch it

• it will make Iodine turn dark purple when added

• it has a strong odor and a sticky texture

Tags

NGSS.MS-PS1-2

MORE THAN ONE white powder mixed together is called:

• a heterogeneous substance

• a homogeneous mixture

• a horrendous substance

What substance dissolves in water, liquefies and bubbles when it is heated?

• corn starch

• baking powder

• powdered sugar

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What is NOT true about baking powder?

• it will fizz in vinegar and also in water

• it is a pure substance

• it contains an mixture of corn starch, baking soda, and an acid

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5