Magnets
A ___________ is a push or a pull.
force
Forces can be balanced or ____________.
unbalanced
Do crayfish like dark or light?
dark
How many bones does a human body have?
206
What is temperature measured in?
The force of ________ pulls everything toward the center of Earth.
gravity
If you put the same-sized wheels on a wheel-and-axel system, the system will roll...
in a straight path
fish food
What are the 3 functions of the skeletal system?
movement, support, protection
What color is water when it is in the air?
white
balanced
If you place a cup on a ramp it rolls...
in a curved path
How many pinchers do crayfish have?
2
What part of the body allows us to move?
What is a person called who studies the weather?
meterologist
Susan pushes on a cart with 750 units of force. Josh pushes on the other side of the cart with 500 units of force. Are the forces balanced or unbalanced?
unbalanced
In order to predict the motion of a wheel-and-axel system you must look at the...
size of the wheels
What are a crayfish's antennae used for?
smelling and feeling
How do we know where the joints are in our body?
Where we bend!
conditions in a certain area at a certain time
The force of magnetism can __________ and ____________.
attract & repel
If you make the wings of a twirly bird short, the twirly bird will spin...
fast
How can you tell the difference between a male crayfish and a female crayfish?
How do we move?
Climate is...