NCEA L1 Science

Motion

100

Mass is measured in...

kilograms (kg)

200

A force is a _______ or a ________

Push or Pull

300

Acceleration formula (and units)

a = v/s (m/s/s or m/s²⁾

400

The area under a speed/time graph is...

distance

500

On a speed-time graph, a horizontal line means...

Constant speed

Forces

100

Acceleration of gavity on Earth

-9.8 m/s/s (or -10m/s/s)

200

Units Force is measured in

Newtons (N)

300

A dog runs 390m in 53 seconds, calculate its velocity (1d.p.)

7.4m/s

400

What is the unit of Power

Watts

500

If the forces on an object are unbalanced then the object is

Accelerating

Chemicals

100

The symbol for iron (metal)

Fe

200

Matter can not be created or destroyed only transformed

Conservation of mass

300

Acids are ______, ______ or _______ (colours) in universal indicator

Red, orange, yellow

400

Acid + base carbonate -> _______ + _______ + _______

Water, carbon dioxide, salt

500

A test for the presence of carbon dioxide gas (CO₂) is

Limewater turning milky

Atoms and Ions

100

The Mg ion has a ______ charge

Positive (or 2+)

200

The SO₄^2- ion is called the _______ ion

Sulfate

300

A negative ion is known as an _______

Anion

400

The HCO₃^- ion is known as the _________ ion

Bicarbonate (or hydrogen carbonate)

500

Calcium atom has the electron configuration of 2, 8, 8 __

2

Biology

100

A microbe (microorganism) is

Any tiny organism

200

Oxygenated blood is carried around the body in these

Arteries

300

In Mrs C Gren, what do the R's stand for

Reproduction and Respiration

400

Acidic environments (Low Ph) do this to the cell wall of microbes

Denature (break it down)

500

When writing a TLC paragraph, what do the T, L and C stand for

Terms

Links

Consequences