MACHINES 3º GRADE

+Fichas de repaso: 1 Nombres de máquinas, 2 Simples o compuestas, 3 Tipo de energía que usan y 4 Utilidad de las máquinas

+ 3 rd grade. Review of unit 8: Materials and Machines

1 What are machines ?

2 What are machines used for?

1.-

2.-

3.-

4.-

5.-

6.-

3 What are simple machines?
4 What are the most common types of simple machines?
5 What do we use levers for?
6 What do we use pulleys for?
7 What are the parts of a pulley?

8 What is an inclined plane?
9 What are the operating parts of a bicyle?
10 What are gears?

Imágenes para ayudar al alumnado a realizar los ejercicios 2 y 3 de la página 83 de su libro.

AXE

Changes of materials: Contraction and expansion

HEAT and LIGHT 4º grade Unit 8

Heat and light. Review unit 8. 4º grade

Forces and energy. 4º grade. Review unit 7

Genially Presentation. Renewable and non renewable energy sources


Forces and Energy. 4º grade. Review unit 7.

Matter. 3rd grade. Unit 7

Checking comprehension MATTER pages 72-73 (unit 7) 3º grade

Checking comprehension MATTER (pages 74 and 75) 3º grade

Paper is a man- made material. Learn how paper is made. Video.

Heat and light. Unit 8. 4ºgrade

1 What is heat?

2 What is temperature?

3 Why do we see an object blue?

4 Why do we see an object red?

5 Why do we see an object white?

6 Why do we see an object black?

7 What colour is an object that does not reflect any colour of light?

8 What colour is an object that does not absorb any colour of light?

9 Are these materials conductor or insulator materials?
- glass
- silver
- silk
- aluminium
- steel
- wool
- wood
- paper

10 What happens when we heat something up?
   1.-
   2.-
   3.-

11 What happens when we heat water over 100ºC?

12 What happens when we heat up a glass of milk in the microwave?

13 What happens when we heat solid ice?

14 What happens when we cool something down?

15 What temperature does water boil at?

16 What temperature does water freeze at?

17 What are the properties of light?
   1.-
   2.-
   3.-

18 Natural or artificial source of light?
- sun
- a light bulb
- stars
- a torch

19 What is refraction?

Materials: 2nd grade. Unit 7

Materials- flashcards

Ficha Classify: natural and man- made materials and materiasl from plants and from animals. 

Materials: properties of materials + mass and volume.

Materials change. 

Float or sink?

Cuestionario

Materials: presentación completa

What do we use these machines for? 3º grade

3º GRADE (pages 82 and 83).

USES OF MACHINES

What do we use these machines for?

1) to apply force?
2) to transport people or things?
3) to heat or cool things?
4) to communicate?
5) to process information?

AXE




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