Matter/Prop. Of Water
A teacher mixes whit powder with water. The powder can no longer been seen. Which property did the teacher just demonstrate?
Solubility
A teacher mixed 3 objects with water; sand, sugar and a small wood chip together in a bowl. What happened to each object?
sand- sank to the bottom
sugar-dissolved
wood chip-floated on top
Name the 5 types of energy we have discussed in class.
light, thermal, electrical, mechanical, sound
How can the path of light be changed?
reflection-hits object and bounces back
refraction- hits object and bends
absorbed- hits object and disappears
What is the 5 step process to forming sedimentary rocks? (double points- all team members must do motions)
W.E.D.Com.Cem.
When baking cookies, you should use a hot pad to take the pan out of the oven because the baking sheet creates...(1) because it is a ...(2)?
Thermal energy because it is a conductor.
Some people add sugar to cold tea to make it sweet but the sugar does not always dissolves quickly. What can they do to the tea to make the sugar mix better?
Draw a complete circuit to make a broken radio work.
battery, wires, radio, closed, switch.
A teacher shines a light at a 90 degree angle at a mirror. The light bounces back at a 90 degree angle because...
light travels in a straight line.
Name the 3 things that fossil fuels provide for us.
Natural Gas, Coal and Oil
Which would be the best way to classify these objects based on their physical property?
metal paperclip, rubber band, iron screw, key, eraser, penny, Q-tip
A teacher gave some students a mixture of water, gravel and marbles. Which would not be a way to separate the mixture.
a- use a magnetic
b-evaporate the water out, then use tweezers to pull out the marbles
c- pour the mixture into a paper filter to remove the water, then use a sift to separate the marbles and gravel.
In our classroom, if one bulb goes out the other lights will stay on. Our classroom lights are set up on what type of circuit?
Parallel
Why does your hand appear to be much bigger in water?
How is the process of sedimentary rocks apart of the process of fossil fuels?
Fossil fuels are created between the layers of the sedimentary rock.
(1)Water freezes and ice melts at what temperature?
(2)What boils at what temperature?
(1)zero degrees Celcius
(2) 100 degrees Celcius
Students made pink slime. Colton wanted to change the texture of his slime and Byron wanted to change the color of his slime. What could each student to do?
Colton- he could add tiny foam balls
Byron- he could add food coloring
What happens to Christmas lights if one bulb goes out? And why?
If one bulb goes out, the others will too, because they are on a series circuit.
While bowling I started with a 10 pound ball but I could only knock 3 pins down. What can I do to get a strike?
Apply more force.
Get a lighter ball.
How are a canyon and a valley different?
A canyon has a river carving out the land.
(1) We must do what to change a solid to a liquid?
(2)We must do what to change a liquid to a gas?
(3) How does a liquid turn into a gas?
(4) How does a gas turn into a liquid?
(1)melt
(2)freeze
(3)evaporation
(4)condensation
A teacher had 4 beakers. Each beaker has 10mg of water in it. Sand was added to beaker one. Cooking oil was added to beaker two. Pink lemonade powder was added to beaker three and pool noodle pieces were added to beaker four. What happened in each beaker?
2-cooking oil and water separated, oil floated.
3- Pink lemonade powder dissolved and changed the color.
4-pool noodle pieces floated.
an Iphone uses what types of energy?
Electrical-battery/plugs in
sound-alarms, rings
mechanical- vibrates, turning sound on and off
thermal- can over heat
light- flashes when messages, flashlight
Magnum and Lola each dropped a 3 pound ball on a box from different heights. Magnums ball smashed through the box and Lolas ball landed on top. What did this happen?
Magnum must have dropped his from higher level and was pulled by more force of gravity, so it harder into the box.
Explain how a delta is formed?
WED. Sediments drop at the mouth of river as water slows when it reaches a bigger body of water. layers build up over time and create a delta