Science

8Ba
1

Energy for life

Name _______________________________Class ____________
Our bodies need digested food … r e a p o s r n t s e b s a u

i i

n t

s c

to release energy using__ __ __ __ __ __ __ __ __ __ __
o w t for r h g

to make new

__ __ __ __ __ __ __ __ __ __

__ __ __ __ __ __
2 Fill in the boxes. Aerobic respiration oxygen + carbon dioxide + (+ )

3Use the equation in question 2 to help you. a What ‘G’ is a small molecule produced by digestion? b What ‘B’ is liquid that carries digested substances around the body? c What ‘R’ releases energy? dWhat ‘O’ is needed for respiration? e What ‘CD’ is produced by respiration? e What ‘W’ is produced by respiration?

Exploring Science 8 pages 16-17

© Pearson Education Limited 2003

8BbRound and round (Sheet A)
Class ___________
blood from the lungs

Name _____________________________
You will need Sheet B.

A
to the heart

capillaries in the lungs blood to the lungs

CF E
blood from rest of body

blood to rest of body

B
LEFT
side of

RIGH T

D

capillaries in other parts of the body

The diagram above shows the __ __ __ __ __ __ __ __ __ __ __system.

c t l o r y r a c i u

Exploring Science 8 pages 22

© Pearson Education Limited 2003

8Bb

Round and round (Sheet B)
Class ___________

Name _____________________________Colour tasks

1

Colour the blood coming from the capillaries in the lungs RED (A). This blood vessel takes blood into the heart. Colour the left side of the heart RED (B). Look for the bloodvessel taking blood out of the heart. Colour it RED (C). Colour the blood that moves away from the capillaries in other parts of the body PURPLE (D). Colour the right side of the heart PURPLE (E). Colourthe blood vessel that takes blood away from the right side of the heart PURPLE (F)

2 3 4

5 6

Exploring Science 8 pages 22

© Pearson Education Limited 2003

8Bc
1

Aerobics

Name...