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Cells
Lenses and Mirrors
The Eye
Atoms
Plate Tectonics
100

All cells are surrounded by this structure.

What is a cell membrane

100
A flat mirror is also known as this.
What is a plane mirror
100
The white part of the eye.
What is the sclera
100

These are the three main types of subatomic particles.

What are protons, neutrons and electrons

100

This is the outermost layer of the Earth.

What is the crust

200

This type of cell has a rigid outer covering called a cell wall.

What is a plant cell

200
The bouncing of light off of an object.
What is reflection
200
This part does most of the focussing for your eye.
What is the cornea
200

These two subatomic particles have approximately equal mass.

What are protons and neutrons

200

This is the name of the supercontinent that existed on Earth 250 million years ago.

What is Pangaea

300

Only plant cells have this organelle, which is where photosynthesis occurs.

What is a chloroplast

300
When light goes through a convex lens it does this.
What is converge
300
The eye is filled with this thick fluid.
What is the vitreous humour
300

This is a cluster of atoms which are chemically bonded together.

What is a molecule

300

Mid-ocean ridges form at this type of plate boundary.

What is a divergent plate boundary

400

This type of cell does not contain any membrane-bound organelles, only ribosomes and DNA.

What is a prokaryotic cell

400
When light bounces off of a concave mirror, it does this.
What is converge
400
The coloured ring of muscle in your eye.
What is the iris
400

Sodium is atomic number 11.  It has an atomic mass of approximately 23 amu.  Sodium has this many neutrons.

What is 12

400

Earthquake activity is detected using this machine.

What is a seismometer
500

Only animal cells contain this organelle which helps the cell to divide.

What is a centriole

500
This type of lens is used to magnify objects in a microscope.
What is a convex lens
500
This part of the eye absorbs light and converts it to electrical signals to send to the brain.
What is the retina
500

These are the tiny particles that make up protons and neutrons.

What are quarks

500

The Hawaiian island chain was formed by this type of volcano.

What is a hot spot volcano