Stage 6 Online Material

The oxygen moves into a liquid in the body when it leaves the lungs. This liquid takes the oxygen around the body. Which liquid takes this around the body?

• Blood

• Sweat

• Milk

• Tea

Many vertebrates have similar respiratory systems to humans. These animals have lungs and breathe in oxygen from the air. Select all the animals with similar respiratory systems to humans.

• Bee

• Cat

• Fish

• Lion

• Snail

Viruses and bacteria infect humans and cause disease.

What else is the cause of disease which infects humans.

• Fungi

• Chicken

• Stones

Why must we wash our hands?

When must we wash our hands?

True or false about boiling and evaporation

Groups:

(a) True

,

(b) False

• Evaporation only occurs above 100C

• Water boils at 100C

• Boiling produces bubbles in the liquid

• Evaporation is faster than boiling.

Find the reverse/opposite of each of the following...

• Condensation

• Series

• Insulator

• Carnivore

• Parallel

• Melting

• Freezing

• Evaporation and boiling

• Herbivore

• Conductor

What is the meaning of thermal conductivity?

• Thermal conductivity refers to the color of a material when heated.
• Thermal conductivity is the temperature at which a material melts.
• Thermal conductivity measures the density of a material.
• Thermal conductivity is the property of a material that indicates its ability to conduct heat.

Label the four forces on the shopping trolley below.

a

b

c

d

applied force

upthrust

gravity

air resitance/friction

An astronaut puts a camera on the Moon. What is the weight on the camera on the Moon?

• 100 kg

• 100 N

• 100 g

• 100 cm