what is water in its solid state most likely used for?

  keeping water cold
  keeping food cold
  perserving food
  eating

bobby has a wind up toy hes adding energy, when he realeses the toy,how is the position and motion of the toy most likely changed?

  it goes fast
  it goes slow
  it begans to move foward at a steady pace
  nothing happens

why does the bottom of a boat turn a reddish color and start to flake?

  erosin
  the metal bottom rust quickly in the sat water
  it's old
  he needs a new boat

when you see a wind mill what energy transformation is most likely occuring

  wind
  sun
  wind energy
  moving wind

billy wants to find out how to calculate the speed of the car.he recorded the distance the toy car traveled.What else does he need to record to be able to clculate the speed of the car

  the miles
  the time the car traveled
  the speed
  the road

if a car is being pulled to a magnet what is it doing?

  the car is mean
  the magnet is mean
  the car is metal
  the magnet is attracting the car

What happens when a warm object comes into contact with a cool object?

  The cold object becomes colder and grows.
  The cold object get smaller and starts to talk.
  The warm object loses heat and the cool one gains heat.
  The cold object becomes larger and gets warmer.

What would you use to compare and measure the mass of two amounts of matter?

  a cup
  a graduated cylinder
  a cymbal
  a balance

angie has two items,each in a seprate sealed bag.each bag with an item has a mass of 250 g.she took one of the bags crushed the item inside and put it back on the scale.What should the mass of the bag with the crushed item be?

  it does'nt weigh anything
  it weighs less
  it weighs more
  it would weigh the same

melissa wants to learn more about what happens when 25 grams of baking soda are added to 1/2 liter of vinegar.What should Melisa's lab partner do while Melisa while melisa is performing the expeirment?

  record the results and share ideas with partners
  watch
  correct her mistakes and run in and fix them
  stop her if she does'nt pour enough vinager

is plastic,glass,metal,or wood?

  wood
  glass
  plastic
  metal