Based on the light intensity data, which letter (A,B,C,D) represents the light intensity for a night when the moon is full?
A
Name at least 2 separating mixture method to make clean water out of this:
Hand picking; filtration; evaporation; condensation; distillation
This unknown material is a ________ object (transparent/translucent/opaque)
opaque
A conglomerate rock is an example of a (mixture/solution)
Mixture
Which of the following diagrams are incorrect?
Diagrams 1 & 6 are incorrect. Angles are not equal
Arnold thinks he can make the laser hit the detector by using the mirror maze. He draws light rays to prove it. Are his drawings correct?
The reflected ray in the mirror at the lower right has a wrong angle!
Why is a chocolate bar is considered a solution?
The components are difficult to distinguish from one another; the properties are the same for any part of the chocolate bar
Flour is added to water as shown in the picture. Is this a mixture or a solution?
Mixture - flour does not mix evenly! Only found at one part
Del thinks she can see Allan in the mirror so she draws light rays to prove it. Is this true? Why/Why not?
Not true! The incident and reflected angles of the rays that Del drew are not the same!
Which separating mixture method is shown below?
Decantation
Who can Allan see in the mirror?
Only Ellie
Cooking oil and water is an example of a (mixture/solution)?
Mixture
The angle of incidence is denoted by angle ___________________.
Angle B
Distillation is the process of getting clean water by evaporation and condensation. In which part (A/B) can we get clean water?
Part B
Which separating mixture method is shown below?
Filtration
How many degrees is the angle of reflection in this diagram?
40 degrees!
A mixture contains A & B (see the table). How do we separate A & B?
Use a magnet