Structures - AG Flashcards Preview

Natural Science > Structures - AG > Flashcards

Flashcards in Structures - AG Deck (23)
Loading flashcards...
1

Name some examples of structures that you can find in nature.

trees, rocks, caves, beehives, skeletons, spider webs

2

Name some man made structures.

Walls
buildings
houses
huts
bridges
towers

3

What are the 3 functions of structures?

Supporting a load
spanning a gap
enclosing people, animals or objects

4

Can you think of some objects that support a load?


wall supports a roof
chair supports a person
A stem supports the weight of a plant's leaves and flowers.

5

If you built a bridge from one side of a river to the other, what function would the structure of the bridge be doing?

spanning a gap

6

What is the name is of the suspension bridge in the United Kingdom that is 1 410m long?

The Humber Bridge

7

Can you think of a structure in nature that can span a gap?

spider's web

8

Name some structures that might enclose animals.

nests
burrows
shells

9

Some structures enclose people. Name some

houses
huts
prisons
factories

10

Some structures enclose objects in order to protect them. Can you think of some?

egg box
shell of a snail
house

11

What is the job of structures like a bucket or pig-sty?

to contain what is inside

12

There are three main types of structures. What are they?

Shell structures
solid structures
frame structures

13

Name some shell structures

bucket
basket
bottle
shell of an egg
pencil case
wardrobe

14

A frame structure is made up of many ________ parts joined together to form a ____________.

different
framework

15

What sort of materials are normally used to build modern buildings?

metal
concrete
wood

16

Give some examples of frame structures.

pylons
spider webs
cranes
ladders
bridges

17

A solid or mass structure is not ________ .

hollow

18

Only 3 of the following 5 objects are solid structures. Which ones are they?
pencil
box
rock
fan
brick

pencil
rock
brick

19

Give 3 reasons why animals need shelters.

To keep them dry.
To keep them warm.
To keep them safe.

20

What 5 things do all animals that are kept by humans need?

clean water and good food
comfortable place to live
to be safe and healthy
to be happy
To be able to do all the things they would do in the wild.

21

Can you think of some natural animal shelters?

bee hive, bird nest, spider web, meerkat burrow

22

Name some human made animal shelters

horse stable, hamster cage, fish tank, cattle kraal, sheep pen

23

Why are struts often joined into a triangular shape such as when we build a pitched roof?

It makes it stronger.