Practice Science Exam

Practice Science Exam

This quiz includes the following units: Biology, Chemistry, Optics and Global Warming

published on January 19, 201437 responses 2 5.0★ / 5

Which of the following sums up the Law of Conservation of Mass?

Matter can be destroyed in every form.
Matter can not be created or destroyed.
Matter and Mass are only created and sometimes destroyed.

What is an Ionic Compound composed of?

Metals and Metals
Non-Metals and Gases
Non-Metals and Metals
Non-Metals and Non-Metals

Incomplete Combustion happens when there is not enough __ to fully burn the hydrocarbon fuel.

Acids' characteristics include:

Select the four correct answers
Bitter tasting
Corrosive
Good conductors
Slippery when rubbed between fingers
Very reactive
Sour tasting

Bases are found on the __ hand side of the pH scale.

Left
Right

Something that is luminous produces its own ___

Phosphorescence is light produced by an electric current passing through a gas.

True
False

Gamma Ray has the highest amount of energy on the electromagnetic spectrum.

True
False

A Humans' eye can detect all forms of light.

True
False

When light travels from a more dense medium to a less dense medium and it bends, this is called?

The speed of light in a vacuum is...

v=3.0 x 100 m/s
v=2.5 x 2.5 m/s
v= vacuum m/s
v=4.6 x 3.0 m/s
None of the above

The stages of Mitosis include...

Select the four correct answers
Metaphase
Interphase
Telophase
Fluphase
Prophase
Anaphase

When the body inhales, the body does what?

Select the two correct answers
Diaphragm moves down
diaphragm moves up
Ribs move down and in
Ribs move up and out

Which component of blood helps clot the blood?

Plasma
Platelets
Red blood cells
white blood cells

which is the most powerful greenhouse gas out of the following?

Carbon Dioxide
Methane
Nitrous Oxide

Tree rings and ice cores can help scientists figure out past climate cycles?

True
False