A tuna is an ocean fish that is well adapted to catching small, fast-moving prey. Which of the following adaptations most helps a tuna swim fast to catch its prey? A. large fins B. sharp teeth C. small gills D. tough scales
What is large fins?
An axe, a doorstop, ramp.
What is a wedge?
a change or the process of change by which an organism or species becomes better suited to its environment. (includes both physical and behavioral changes)
What is adaptation?
Term for a material that allows electricity to travel through it
What is conductor?
The process of development of a tadpole growing into a frog.
What is a life cycle?
Annette is using many tools to build a doghouse. Which task would she most likely need a tape measure for?
A. Deciding what type of wood to use
B. Removing extra nails
C. Determining where to cut the wood.
What is determining where to cut the wood?
A student hears the sound of a bell. This carries the sound of the bell to the student.
What is vibrating air? (or sound waves)
Students want to plant a lemon tree at their school, but the winters temperatures in Massachusetts would kill the tree. What is the best solution?
A. Planting several trees close together
B. Building a greenhouse to shelter the lemon tree
C. Giving the tree extra fertilizer
What is build a greenhouse?
Term for when a liquid changes to a solid.
What is freezing?
A squid is an animal that lives in the ocean. It pumps a stream of water out of its body, causing it to move rapidly. Which of the following mechanical system moves in a way most like a squid? A. Bus B. Helicopter C. Rocket D. Train
What is a Rocket?
Piano stool uses this type of simple machine to go up and down.
What is a screw?