science revision end of year sec 1 g3

What is science?

What is the scientific method?

Give the SI unit and instrument for length.

Give the SI unit and instrument for mass.

Give the SI unit and instrument for time.

Give the SI unit and instrument for temperature.

Give the SI unit and instrument for volume.

What is accuracy?

What is precision?

What is parallax error?

Name the three states of matter.

Describe particle arrangement in solids.

Describe particle arrangement in liquids.

Describe particle arrangement in gases.

What is diffusion?

What is kinetic particle theory?

What happens to particle movement when temperature increases?

List the changes of state.

Formula for density.

What is an atom?

Name the three subatomic particles.

Where is each subatomic particle located?

What is atomic number (Z)?

What is mass number (A)?

How to calculate neutron number?

What is a molecule?

Give examples of molecules made of the same element.

Give examples of molecules made of different elements.

What is a compound?

What is a mixture?

Name three separation techniques.

What is the basic unit of life?

List the differences between plant and animal cells.

What is the order of biological organization?

Name the major human body systems.

What is energy?

List forms of energy.

What is the law of conservation of energy?

What is force?

Name types of forces.

Difference between balanced and unbalanced forces.

How does light travel?

What is reflection?

What is refraction?

Define opaque, transparent, and translucent.

How does heat flow?

Name the three methods of heat transfer.

Formula for weight.