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