Science SS Quiz #11 Lessons 51–55

(a)   get in the way of salmon migration.

• Oceans

• Dams
• Ladders

• Engineers

Young salmon must swim to the ocean. Mature salmon must get to fresh water to lay eggs. Which engineering solution helps them do this?

• space transport

• computer simulations

• fish ladders

Choose two constraints of building a fish ladder.

• time

• extinction

• money

• pollution

Which of the following three statements describe the transport system called WHOOSHH?

• It is faster to build and less expensive than most fish ladders

• Fish can rest in a pool if they get tired

• It looks like steps

• It has a tube made of soft, flexible material

• It doesn’t hurt fish

Choose four basic needs that animals have.

• food

• air

• water

• clothing

• shelter

The woolly mammoth looked a lot like an elephant. It died out over 10,000 years ago. Today it is (a)   .

• protected

• extinct
• hunted

• changing

Choose the three steps of an engineers process.

• test and redesign

• stick to your idea

• define the problem

• get people to buy it

• brainstorm solutions

______________ are records of living things from the past. Options: Constraints, Criteria, Fossils, Research.

• Constraints

• Criteria

• Fossils

• Research

Study the bar graph. Which two forest trees are the shortest?

• Pine and Oak

• Elm and Birch

• Spruce and Cedar

• Fir and Willow

Study the bar graph. How much taller is the pine than the birch?

• 5 cm

• 30 cm

• 15 cm

• 20 cm