Clothing Properties
When it's hot, people wear clothing that is _____________. When it's cold, people wear clothing that is ________________.
a)heat trapping; absorbent
b)absorbent; heat-trapping
c)see-through, opaque
d)soft, stiff
b)absorbent; heat-trapping
Why are oven mitts NOT made out of metal?
a. Metal lets the heat through to your hand.
b. Metal is too expensive.
c. Metal is too heavy.
d. Metal isn’t very comfortable.
a. Metal lets the heat through to your hand.
Why was it easier to make plastic toys instead of wooden toys?
a. Plastic doesn’t need to be carved by hand.
b. Plastic doesn’t grow in the ground.
c. Plastic can be painted different colors.
d. Plastic doesn’t have bark that needs to be removed.
a. Plastic doesn’t need to be carved by hand.
What futuristic material would you invent and what would you make with it? I would invent..
A ________ can be built out of smaller pieces of ___________.
a. House............... wood
b. Skyscraper......... concrete and steel
c. Wall.................. brick
d. All of the above
d. All of the above
If it’s really hot and sunny outside, you probably want to wear clothes that
are...
a. Waterproof.
b. Heat-trapping.
c. See-through.
d. Absorbent.
d. Absorbent.
3. Why do you need a metal pan to fry an egg on a hot sidewalk?
a. The pan will keep the egg from getting dirty.
b. The pan makes it easier to serve the egg.
c. The pan conducts heat from the sidewalk.
d. The pan absorbs heat from the sun.
c. The pan conducts heat from the sidewalk.
What do popsicles and plastic toys have in common?
a. Both of them can get very cold.
b. Both of them are liquids.
c. Both of them are made out of water.
d. Both of them can be melted into shapes
d. Both of them can be melted into shapes
Scientists invent new materials so that they can...
a. tell each other about them.
b. invent things to solve problems.
c. store the materials in their laboratories.
d. do as many experiments as possible.
b. invent things to solve problems.
What are two ways you could change the properties of paper to make it stronger? You could
make paper stronger by...
ANSWERS WILL VARY
If you are designing winter boots, which material properties would you choose?
a)Heavy, soft, see-through
b) heave, absorbent, stretchy
c)heavy, heat trapping, waterproof
c)heavy, heat trapping, waterproof
Why would you need a metal pan to fry an egg on a hot sidewalk? You need a metal pan to
fry an egg because...
a)the sidewalk conducts heat
b)metal conducts heat
c)the sidewalk insulates heat
d)the metal insulates heat
b)metal conducts heat
What’s so special about plastic? Why are so many toys made out of plastic? A lot of toys are
made out of plastic because...
a)it's absorbent
b)it's meltable
c)heat-trapping
d) soft
b)it's meltable