Year 9 Revision | Baamboozle - Baamboozle | The Most Fun Classroom Games!

English 47 Public

Year end revision for Year 9

Study Slideshow

#Atoms

This refers to maintaining a steady state of internal conditions such as temperature and pH in living things.

homeostasis

15

Protein molecules that catalyse biological reactions

enzymes

20

the variable that is changed in a valid experiment, to test the effect it has on another variable

Independent variable

15

refers to how close a measurement is to the true value.

bull's eye!

validity

precision

accuracy

15

Part of the scientific report that describes the step by step instructions to conduct the experiment

method

15

part of the scientific report that describes the purpose of the experiment.

aim

15

the variable that is measured as the effect in a valid experiment.

Dependent variable

15

the variables that are kept the same in a valid experiment.

Control variable

15

The brain and spinal cord are a part of the

Central Nervous System

15

The nerves that connect the CNS to the rest of the body are part of the

Peripheral Nervous System

15

Nerve cells are called

neurons

15

Chemical messengers that travel in the blood

hormones

15

When blood vessels contract or get smaller, this is called

vasoconstriction

15

When blood vessels expand or get larger, this is called

vasodilation

15

Flushing of the face when one is hot is due to ____________ of the surface blood vessels

vasodilation

15

The body does this to cool down by evaporation of moisture from the skin to remove heat.

sweating

15