fill in the blank
An_______is a person who uses science knowledge to design something in order to solve a problem
a. engineer
b. materials
c. evidence
d. design
a. engineer
what material should you make rainboots out of
a. paper
b.rubber
b. rubber
properties of mixtures _______when other ingredients are added
a.stay the same
b.change
b.change
To ________ is to think of a new way to make something, this is what engineers do
a. Engineer
b.materials
c.evidence
d. design
d. design
different materials have different properties
a.true
b.false
a.true
______are stuff that makes up everything
a. Engineer
b. materials
c. evidence
d. design
b. materials
you can tell if materials or substances are different by_______their properties
a.observing
b.testing
c.all of the above
c.all of the above
______is information hat supports an answer to a question
a. engineer
b.materials
c.evidence
d.design
c.evidence
when ingredients are combined a ______is created
a.picture
b.mixture
b.mixture