Machines Matter CBA

During a science class experiment, students were asked to identify which item is NOT attracted to a magnet. Which of the following items did they find to be non-magnetic?

• Nail

• stainless steel fridge

• rubber spatula

• the whiteboard

What would happen if you left a popsicle in the sun?

• The popsicle will freeze and turn into a solid.
• The popsicle will evaporate and disappear.
• The popsicle will grow larger and expand.
• The popsicle will melt and turn into a liquid.

During a warm summer day at the beach, where does the water vapor that forms the early evening fog come from?

• Water vapor comes from the sun.

• Water vapor comes from the air.

• Water vapor comes from the ground.

• Water vapor comes from the clouds

Explain where condensation comes from on a cup of ice water

Which of the following is NOT example of a mixture?

• Desk

• Cereal and Milk

• Bag of pens and pencils

• Different colored fish tank rocks

• Which of the following is true of mixtures?

• Mixtures are only made with objects that are easily separated

• Mixtures can never be separated

• Mixtures are only made with solids

• Mixtures can be created with any sized objects and are not always easy to seperate

Explain one objects that contains all THREE phases of matter

What type of energy does a campfire provide?

• heat

• light

• sound

• heat and light

What type of energy does this provide?

• heat
• light
• sound
• heat and light

Which type of energy is present in Mr Patino's car? Check all that apply.

• sound energy

• light energy

• thermal energy

• mechanical energy