Force words
A force is a ____________or _____________
push or pull
The amount of matter in something (how much stuff
is in it) is called______________
mass
When something is still (not moving) all the forces are
said to be________________
balanced
What is speed? Distance divided by ____________
time
If I wanted to make a sled go faster downhill, where should I start it? Lowest slope, medium slope, or highest slope?
highest slope
The thing that is behind something moving- the object that is NOT moving is a ____________________
frame of reference
In the solar system hanging in the classroom, what has the most mass?
The sun!
The gymnast is standing still on a balance beam...holding that position. The forces are___________________
balanced
My dad walked 40 miles in 10 minutes. What was his speed?
4 miles per minutes
What is one force acting on a car when it slows down? And explain where this force happens.
Friction...wheels on road
What is one point of reference in our classroom?
anything not moving behind Mrs. Petrasek
If I have a full shopping cart at the grocery store, and I pushed it with the same force each time, name 2 (TWO) ways I could make it go faster.
- take some groceries out
-make the floor slippery (like with ice)
The airplane is descending (coming in for a landing).
The forces are ______________________
unbalanced
My baby brother ran 25 feet in 5 seconds. What was his speed?
5 feet per second
Name 3 forces that could be acting on a kite!
gravity, wind and human strength
distance divided by time is ______________
speed
Which truck will go the shortest distance and WHY?
A truck full of pumpkins?
A truck full of marshmallows?
You must use the word "mass" in your answer!
The truck with the most mass (pumpkins) will go the shorter distance-it is heavier!
In a tug of war, the left side just pulled the right side into the mud! These forces are ____________________. You must explain your answer!
unbalanced- one force (team) was stronger than the other - causing the other side to move
The snake slithered up a tree at the rate of 100 meters in 50 seconds. What was it's speed?
2 meters per second
What is the first AND last step in the scientific method?
1st-----ask a question or think of a question
Last- Make a conclusion
speed PLUS direction an object is going
velocity
Name 1 way (using mass) how I could get a truck to slow down.
Name 1 way (using mass) that I could get a wagon full of pumpkins to go faster. (using mass)
Add more mass to the truck.
Remove some of the pumpkins (mass)from the wagon
Name 3 forces acting on a girl who is swinging on a swing. Then tell me if the forces are balanced or unbalanced if she is sitting still.
gravity, human strength, wind
balanced
My mother swam 80 meters in 10 minutes. What was her speed?
8 meters per minute
What TWO things do the arrows show in any picture about force?
strength of the force
direction the object will move