What are the 3 states of matter?
solid, liquid, gas
Describe the difference between a mixture and solution.
Solution - is not easily separated
What are the 5 forms of energy?
mechanical, electrical, light, thermal, sound
What type(s) of matter would describe a bowl of soup?
Solid and liquid
Are soup and salad both mixtures?
Yes, even though some of the soup has material that is dissolved they are both mixtures because you can separate the items in the soup.
Can there be more than one form of energy produced by object?
Yes. For example, the sun gives off heat and light energy.
From the following materials, which TWO are most likely to FLOAT?
wooden block
rock
metal spoon
metal toy boat
wooden block & metal toy boat
Solutions are very difficult to separate, but they CAN be separated. How might someone separate a solution?
A) a magnet
B) a spoon
C) boiling water
D) using our fingers to sort it out
C) boiling water
Plugging in a radio is a form of thermal energy.
TRUE or FALSE?
We measured the mass of a box of crayons and came up with _______________ grams.
167 grams
I need screws for a building project. In a container, I find all my screws mixed with rocks, rubber bands, and other random items. What is the fastest way to separate this mixture and get my screws?
A) using tweezers
B) using a magnet
C) using a vacuum
D) using my fingers
B) Using a magnet is the fastest way to get the screws because the screws are metal and would be attracted to the magnet.
Sound energy is what makes a bell ring.
TRUE or FALSE?
In which state of matter are particles tightly packed?
Particles are tightly packed in a solid.
If a liquid is more dense than water, will it float above the water or will it sink below the water?
The liquid will sink below the water if it is MORE DENSE than the water.
If you attached a penny to a circuit, would the circuit still work?
YES. The penny is a good conductor and therefore the circuit would still work.