Structures of Life
A tomato is a fruit. Why?
it contains seeds
A marble sinking to the bottom of a cup of water is evidence that the marble is ______ ______ than the water.
more dense
Are shoes considered technology?
yes
a push or pull
force
You NEVER put science experiment materials in your nose or mouth. If you want to smell the object (with permission) you ______ it towards your face instead of smelling it.
waft
Which part of the seed provides food for the plant when it begins to grow?
a. seed coat
b. embryo
c. cotyledon
cotyledon
The part of the water cycle where water droplets falls from the sky as rain, sleet, snow, or hail.
precipitation
Opposite poles _______.
attract
a sketch or design that engineers share so other people can build their invention.
technical drawing
______________ is the measure of how hot matter is.
temperature
A carrot is an example of what type of root?
tap root or fibrous root
tap root
The part of the water cycle where water vapor cools in the sky and turns into clouds.
condensation
What are the poles of a magnet?
north and south
A force applied to an object changes the _________ of the object.
mass
Temperature is measured using ______ and _______.
degrees Fahrenheit and degrees Celsius
An organism that feeds on only plants is __________________.
herbivore
The gas that forms when water evaporates is called _____ ______.
water vapor
What is technology?
any thing or system created to meet a need or solve a problem.
The energy of motion
kinetic energy
Which science tool measures mass?
Balance scale
Any structure or behavior that improves an organism’s chances of survival in an environment is an ____________________.
adaptation
A water strider is an insect. This insect can "walk on water". It does not sink when it moves across the water. This is because water has _______ ________.
surface tension
What are the five steps of the engineering design process?
ask, imagine, plan, create, and improve
In a falling-weight system, what force gives you the push or pull needed to move the vehicle?
gravity
Which tool is used to measure precipitation?
rain gauge