What's this?
Pulley
What kind of simple machine is this?
Wedge
This complex machine is made of _____ simple machine(s). (1, 2, 3, 4, 5)
4
This complex machine is made of _____ simple machine(s). (1, 2, 3, 4, 5)
3
How many steps does the design process have?
8
What kind of simple machine is this?
Screw
True or False? Stems that grow below ground can make new stems from buds, like the potato’s “eyes”.
True
What kind of simple machine is this?
Screw
People use the design process to find a _____. (method, problem, solution)
solution
Do we need to test the prototype?
Yes
What are the most basic machines called?
simple machines
This complex machine is made of _____ simple machine(s). (1, 2, 3, 4, 5)
2
True or False? A prototype is the first working product that uses a design.
True
What's this?
Wheel and axle
What's this?
Inclined plane
What is the final step of the design process? (do research, communicate the results, evaluate and redesign)
evaluate and redesign
Which plant has part of it’s stem growing underground? (potato, pumpkin, cactus)
Potato
True or False? The design process is a step-by-step method used to solve a problem.
True
What kind of simple machine is this?
Wheel and axle
What supports the leaves, flowers, and fruits of plants. (stem, roots)
Stem
True or False? Roots move water to the leaves.
False. Stems move water to the leaves.
True or False? Roots are parts of a plant that are usually below ground.
True
What's this?
Wedge
What are these?
Roots
True or False? Cactus stems grow below ground.
False.
What kind of simple machine is this?
Inclined plane
What part of a plant is this? (leaves, stem, roots)
Stem
What kind of simple machine is this?
Lever
What's this?
Lever
This complex machine is made of _____ simple machine(s). (1, 2, 3, 4, 5)
2
True or False? Roots take in water and materials called minerals from the soil.
True.
True or False? Roots help keep the plants stable in the ground.
True
The design process has _____ steps. (7, 8, 9, 10)
8
The second step of the design process is to _____. (build a prototype, do research, communicate the results)
do research
What's this?
Screw
What kind of simple machine is this?
Screw
What kind of simple machine is this?
Wedge
Cactus stems grow _____. (above ground, below ground)
Above ground
A complex machine is made up of _____ or more simple machines. (1, 2, 3, 4, 5)
2
The first step of the design process is to identify the _____. (need, problem, solution)
problem
What are these?
Leaves