Review for TECH Entry Test 3A | Baamboozle - Baamboozle

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Entry Test 3A

Study Slideshow

Ores are…

Rocks that contain metal we can extract

Rocks made of pure iron

Normal rocks with no value

Rocks only used for decoration

10

Metals usually have…

No melting point

A low melting point

The same melting point as plastic

A high melting point

15

Pure metals are…

The same as alloys

Weaker than alloys

Always the best choice

Stronger than alloys

15

Before synthetic plastic, people used…

Steel and copper

Aluminum and bronze

Ivory and turtleshell

Glass and paper

15

A useful property of synthetic plastic is…

It lasts a long time without decomposing

It is only used once

It turns into water easily

It breaks down quickly in nature

15

Plastic is made from crude oil by…

Recycling

Polymerization

Condensation

Melting it

15

Agronomy is the science of…

Producing new types of metals

Digging tunnels for mining

Cultivating soil, crops, and livestock

Studying rocks and fossils

15

Humus is…

A chemical made in a factory

A type of fertilizer made from plastic

Rich organic matter in soil that helps plants grow

A mineral from rocks

15

GMOs are…

Natural plants with no changes

Soil nutrients from compost

Living things changed with new genes

Machines used in agriculture

15

Farmers can make soil healthy again by…

Cutting down trees

Using plastic

Building houses

Irrigation

15

What is underground mining?

Digging tunnels to reach minerals below the surface.

25

What is the process of extracting metals from ores called?

metallurgy

20

What does malleability mean?

The ability of metals to be shaped into thin sheets.

25

Give 3 examples of pure metals.

Copper

15

What is the liquid produced when water goes through waste? (hint: L _ _ _ _ _ _ _ _ )

leachate

20

What gives plastic useful properties? (hint P _ _ _ _ _ _ B _ _ _ _ )

polymer bonds

20