Surprise
What is an experiment called if you make sure to only change the variable that you are testing and keep everything else the same?
Example: If I want to test to see if giving plants soda affects their height, I would keep everything else the same - pot, soil, amount of sunlight, same amount of water, type of plant, and so on. The only thing I would change is that some plants would get soda and some would not.
Controlled experiment
List three ingredients used for photosynthesis and 2 that are created.
3 used - sunlight, water, carbon dioxide
2 created- glucose sugar and oxygen
#42 Part D (2 or more complete sentences)
Runoff is greatest in Spring in Massachusetts because just before Spring is winter, where the climate typically gets a lot of snow. In addition, Massachusetts has a wet climate in Spring. Therefore, with the snow melting into water and the rain, there will be a lot of runoff into our bodies of water.
Physical or Chemical Change?
1. Tearing piece of paper
2. Burning piece of paper
3. Ice cream melting into a liquid
4. Frying an egg
1. P
2. C
3. P
4. C
What do you call it when...
1. 2 magnets pull together (opposite poles)?
2. 2 magnets push away from one another (same poles)?
1. Attract
2. Repel
#38
A. Flower
#42 Part C (3 complete sentences)
Process 3 is precipitation. Temperature can affect the type of precipitation that falls. For example, if the temperature is above 32F, it will be rain.
#41 Part C (3 complete sentences)
Example:
A solid keeps its shape. Liquid takes the shape of its container. Gas takes the shape of its container.
A solid's volume stays the same. A liquid's volume stays the same. A gas's volume changes to match its container.
Solid particles have low energy and stay together. Liquid particles have a little energy and move past each other. Gas particles have high energy and spread out.
#39
A. Draw a diagram
#31
A. They provide an area for plants that need shade.
#42 Parts A + B. Each part should have 2 complete sentences.
A: Process 1 is evaporation. Water changes from a liquid to a gas called water vapor.
B: Process 2 is condensation. Gas called water vapor changes into a liquid and can form clouds.
#41 Part B (3 complete sentences)
The candle (or stand) is a solid. The wax dripping is a liquid. The flame is producing gas.
#26
D. The north end of the needle spins away from the bar magent.
#28
A. There is more food in the south during the winter.
#30
(notice they all start with full moon! Full moon lasts 1 day, but then the next phase waning gibbous lasts a few nights, followed by one night of third/final quarter)
C!
#41 Part A (Write a complete sentence)
The three states of matter are solid, liquid and gas.
#24
A. Sound is a form of energy
#23
A. A long drought
#27
C. Weathering and erosion
#36
C. Strength