Is it Physical or Chemical
Which Physical property that you can measure
a. the color of a ball
b. the freezing point of water
c. the texture of a sweater
d. the smell of something burning
What is the freezing point of water? B
The spinning of the Earth on its axis. It takes 24 hours to do this once.
What is rotation?
Which combination would reduce friction the most?
a. ice on a paved road
b. sand on a paved road
c. water on a dirt road
d. gravel on a dirt road
What is ice on a paved road? A
This is the boiling point of water. Remember the units!
What is 212 degrees Fahrenheit?
Atoms link up in new ways, creating a new substance.
What is a Chemical Change?
This is one trip around the sun. The closer the planet the faster the trip. The Earth takes 365 days to do this.
What is revolution?
A ball was kicked by a student on the playground it came to a stop after moving along a grassy field
What is friction?
This is the freezing point of water. Remember the units!
What is 32 degrees Fahrenheit?
As water evaporates, which best the changes that is occurring?
a. a gas changes to a liquid
b. a gas changes to a solid
c. a liquid changes to a gas
d. a liquid changes to a solid
What is a liquid changes to a gas? C
What is the New Moon phase?
What describes the motion of an object?
a. change in direction over time
b. change in position over time
c. change in size over time
d. change in weight over time
What is change in position over time? b
How you would separate a mixture of sand and iron filings.
What is use a magnet to collect the iron filings.
A change in matter which does not alter the chemical properties of the matter?
What is a physical change?
These two celestial bodies have little in common, although they are fairly close to each other. One has an atmosphere and lots of water and living things, the other has no atmosphere, not water, and not even aliens live there. It also has many craters on the surface.
What are the moon and the Earth?
One of the event during field day is "Tug-of-War". Trevoe and Kaiden are about the same size and pull on oppposite ends of the rope . The rope moves toward Kaiden. Which statement is true?
a. Kaiden and Trevor are pulling with the same force.
b. Trevor applies stronger force than Kaiden.
c. Kaiden pull with a stronger force than Trevor
d. Kaiden and Trevoe apply no force to the rope.
What is Kaiden pulls with a stronger force than Trevor? C
When something, usually a solid is added to a liquid and it "disappears". Some examples include salt water, kool-aid and soda, not to mention lemon aide.
What is a solution?
In which activity has a chemical change occurred?
a. boiling of milk
b. freezing of water
c. milk turning sour
d. adding sugar to water
What is milk turning sour? C
This star appears brighter on Earth than any other stars.
What is the Sun?
On December 4, snow followed by sleet hit Jackson. Why did the Transportation Department immediately put sand on the highways?
a.to decrease friction
b. to increase friction
c. to melt the snow
d. to freeze the sleet
What is to increase friction ? B
This will allow heat or electricity to pass through it easily.
What is a conductor?