Vocab
anything that takes up space and has mass
matter
this state of matter does not take the shape of its container
solid
what type of change is chopping onions?
physical
True or False: Technology is anything created by humans to solve a problem
True
Is salad a mixture or solution?
mixture
the amount of space an object takes up
volume
this state of matter takes the shape of its container
liquid
what type of change is baking cookies?
chemical change
True or False: an ipad is technology
true
Is lemonade a mixture or solution?
Solution
the amount of matter in an object
mass
this state of matter has no definite shape or volume
gas
True or false: chemical changes can be reversed
false
True or False: a bird is technology
Faherenheit and Celsius are used to measure what?
temperature
A physical combination of 2 or more things.
mixture
solid to liquid change
melting
changing from a gas to liquid
condensation
Someone who solves problems and improves technology
engineer
Helium is what state of matter
gas
A type of mixture where one substance is dissolved in another.
solution
liquid to solid change
freezing
changing from a liquid to gas
evaporation
Name something an engineer would design or create
?
What causes the liquid inside a thermometer to rise and fall?
heat contracting and expanding the liquid
HEAT