Show:
Evolution and Genetics
Astronomy
Light and Optics
Electromagnetism
Density and Buoyancy
100

his is a segment of genetic material found in a cell.

What is a gene

100

At the very beginning, the universe was what?

An infinitely small, dense and hot point. (followed by the big bang)
100

The name for the phenomena of light bouncing off a surface

Reflection

100

A device that changes electrical energy into mechanical energy.

Electric motor

100

Density is a ratio of mass to____________.

Volume

200

Hip bones in whales, leg bones in snakes and wings on a penguin are all examples of what?

What is vestigial organs.

200

The change in the frequency of a wave based on if the object is moving toward or away from you.

Doppler Effect

200

As light rays go through a lens like this, the light rays are bent outward or spread outward.

Concave lens

200

What makes something magnetic?

Magnetic domains lined up

200

Upward force exerted by a fluid on any object in the fluid

Buoyant force

300

If a fish embryo and a pic embryo look similar, what can we conclude about these organisms based on embryology?

What is they share a common ancestor.

300

A star emitting light moves away from you. The light that you see will be...

redshifted
300

The change in speed of light as it enters a new medium produces this occurrence.

refraction

300

What does the magnetosphere protect against?

Solar radiation/wind

300
True or false. An object floats on water because it is more dense that the fluid it is in.

False

400

The process under which mRNA is created in the nucleus from a DNA template

Transcription

400

Which theory describes the creation of solar systems (stars and planets)?

Nebular Hypothesis

400

When light enters a more dense medium it will bend towards or away from the normal line?

Towards

400

Which of Maxwell's equation describes how a current can be created from a changing magnetic field

3rd equation: Faraday's Law of induction

400
A 20 N floatie floats in the pool, what is the buoyant force?

20 N

500

This type of DNA carries amino acids to the ribosome during Translation

tRNA

500

The distance between the sun and the earth increase by a factor of 3, so the force of gravity between both objects...

Decreases by a factor of 9

500

In which medium would light travel the slowest: space, air or water?

water

500

What happens when you cut a magnet in two?

Two smaller magnets
500

A diver wearing all her equipment has a mass of 70 kg. The mass of the water she displaces is 78 kg. Will the diver sink or float?

Sink, Fluid displaced is greater that weight of person.