Force and Motion
push or pull
Force
what is precipitation?
Precipitation is when liquid water falls to the ground as rain,sleet,snow,or hail.
What is radiation?
Radiation is the heat transfer of UV rays.
What is a physical change?
When something changes the size, shape, color,etc, but doesnt change the whole substance.
What is the muscular system, and how does it help your body?
Muscles contract and relax to produce movement. They also make you a strong little boy or girl.
what is gravity?
gravity is the force that brings objects down toward the center of the earth.
Timmy is out side and it is really sunny and nice outside. What type of air pressure is in Timmy's area?
High air pressure, because high air pressure means good and happy weather.
What is convection?
When hot air or water rises and cold air or water sinks.
What is a chemical change?
When an object is changed by the WHOLE substance.
What is unicellular organisms?
A organism that can carry out all life procces in one cell.
Abby was riding her bike and came to a stop. What acted on her wheels to make her stop?
Friction
What cloud is made of ice crystals?
Cirrus clouds
Tammy was cooking eggs when she hit the hot pan. What heat transfer is this describing.
conduction
Piper was baking a cake. Is baking a cake a physical or chemical change?
Chemical change
Anna was eating pizza. What main system helps you digests your food?
Digestive system
Tami was trying to calculate the speed of her paper airplane. How does she find the answer?
She finds the answer by calculating distance divide by time=speed
There is a big, short storm in Baileys area. What cloud is causing this storm?
Cumulonimbus cloud.
Britney was sun tanning at the beach, when she got home she realized she was burned. What heat transfer is this describing.
Radiation
Marie was breaking glass. Is this and example of a physical or chemical change?
Physical change
Starr wants to know what the main parts of the circulatory system are. What are they?
Heart, the veins,
Bob was carrying books to the library when his friend Billy needed him to take his books as well. Which one of Newtons laws does this demonstrate and why?
Newtons 2nd law, because as Billy add's more mass it means Bob has to apply more force.
In what direction does the jet stream move?
The jet stream moves from west to east.
Makayla was swimming in the pool, when she got in the bottom of the pool was cold but the top of the pool was warm. What heat transfer does this represent?
Convection
Josh's car Natalie is rusting? What change is causing this?
Chemical change
Seth wants to know what the skeletal system does? What does it do?
It protects your muscles and organs, it also produces red blood cells.