Engineering Steps
The first step engineers use to start a project is to ask this.
a problem
A tool you use to look at small things more closely.
a magnifying glass
The part of the plant that makes food from sunlight.
a leaf
Both plants and animals need this to survive and grow.
water
True or False: All plants are green.
False
After asking a question, engineers draw or make a plan. This step is called a ___.
design
A tool used to measure length in cm or inches.
a ruler
The part that holds the plant in the soil and takes up water.
a root
Plants need sunlight to make food. This process is called ___.
photosynthesis / make food
Compare: Roots vs. leaves – which one helps a plant get water?
roots
Engineers build a rough model to test ideas. This model is called a ___.
a prototype
Name a material that is good for building a model but is light and easy to cut.
cardboard or foam
The part of a flower that makes seeds.
ovary/seed
Animals get energy by eating. Another word for what animals need to live is ___.
food
True or False: Animals can make their own food like plants.
False
If a design does not work, engineers change it. This is called ___.
revise
The step where you choose the best idea from many ideas is called ___.
select
The part that holds the flower and connects it to the stem.
a stem
A place where a plant or animal lives is called its ___.
a habitat
Compare: Which helps a plant spread seeds farther – wind or roots?
wind
When engineers test a model many times and check results, they are ___.
evaluating/testing
A container that keeps parts together while testing is called a ___.
model/enclosure
Tiny parts on leaves that let air and water move in and out are called ___.
stomata / tiny holes?
Name two things plants get from soil.
water and nutrients / minerals
True or False: A seed needs light, water, and the right temperature to grow.
True