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Science

The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

686,985 Questions
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Science

14 cards

Who is known as the first African American scientist

Which scientist used mathematical knowledge to calculate the exact measurement of the meter

Who is recognized as one of the greatest physicists of all time

Which scientist used his knowledge of astronomy to publish a popular almanac

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3.81
665 Reviews

Genetics

17 cards

What are chromosomes made of

How are mitosis and meiosis similar

What is a gel electrophoresis chamber

In pea plants what are the two alleles for color

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3.86
278 Reviews

Physics

17 cards

Which of these is a characteristic of nonmetals

What is the only factor needed to calculate change in velocity due to acceleration of gravity 9.8 ms

What term is used to describe splitting a large atomic nucleus into two smaller ones

Which type of reaction is the burning of gasoline to release heat energy

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4.09
379 Reviews

Magnetism

2 cards

What is manetism

What is the relationship of electricity and magnetism

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3.53
19 Reviews

Science

20 cards

Which states were in the south during the civil war

What does weight scale measure

What is a gas to a liquid

What does headwater mean

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5.0
1 Review

Science

17 cards

Is glucose solution a homogenous mixture

Properties that describe the appearance of matter are known as what properties

Hearing sight sound and smell are examples of that you can use to make observations

What type of chemical weathering is caused when rocks sit in a pool of saltwater

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3.84
109 Reviews

What is abortive transduction

Where is the cochlea

Is the cerebellum part of the brain stem

The mind is like a parachute it won't work unless it is open

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4.02
160 Reviews

What must students do with the 10 grid-ins on the math section of the PSAT

What are the two types of questions in the math section of the PSAT

What is the PSAT Selection Index score used to determine

What is the birth name of Ora Carew

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4.38
21 Reviews

Physics

18 cards

What is the law of reflection

What kind of electromagnetic radiation has the longest wavelength

Which of the following has the longest wavelength A Visible light B Radio waves C microwaves D X-rays E infrared light F ultraviolet light G gamma rays

What energy cannot be created or destroyed

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4.31
13 Reviews

Science

13 cards

What term is defined as a change in an object's position relative to a reference point

What is a well supported hypothesis

How are hypotheses tested

What type of math do scientists use to analyze data

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No Reviews

How do you find your psats scores

Money that is left over after all expenses are paid is known as

What is the total amount of money students can borrow under the Perkins Loan

What is typically the best strategy to use when taking a test

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4.23
22 Reviews

Ecosystems

20 cards

How does erosion cause fire

Primary succession can occur in which habitat

All the members of a species that live in an area

What is the second most common element in stars

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3.62
32 Reviews

Physics

20 cards

A wave has a frequency of 250 hertz what is the period of the wave

In which material does sound travel the fastest

In this type of wave particles of the medium vibrate perpendicularly to the direction of the wave itself

A 5 ohm resistor a 10 ohm resistor and a 15 ohm resistor are connected in series to a 120 volt power source What is the amount of current flowing between the 5 ohm resistor and the 10 ohm resistor

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3.85
96 Reviews

What resources do you have today that affect the economy positively

What prominent sea floor feature is found in the central Atlantic ocean

Why are fossils found were no ocean exist

What causes greenhouse gasses

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4.04
48 Reviews

Ecosystems

16 cards

What term describes the mix of all living things in the biosphere

What is another term for the savanna

What is another term for water cycle

By what process do autotrophic organisms convert solar energy into chemical energy

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5.0
1 Review

Science

17 cards

How does a strawberry reproduce

Which compound machine consists of both fixed and movable pulleys

What do first class levers always do

What phylum of worms can infect plant roots and cause disease

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5.0
1 Review

Biology

18 cards

What is a cuticle

What is gene flow

What are the differences of a vertebrate and invertabrate

This organism most likely is a member of witch kingdom

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4.83
6 Reviews

Physics

20 cards

A wave has a frequency of 250 hertz what is the period of the wave

In which material does sound travel the fastest

In this type of wave particles of the medium vibrate perpendicularly to the direction of the wave itself

A 5 ohm resistor a 10 ohm resistor and a 15 ohm resistor are connected in series to a 120 volt power source What is the amount of current flowing between the 5 ohm resistor and the 10 ohm resistor

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3.4
5 Reviews

Science

19 cards

What is the purpose of a conclusion

What is the most important scientific process

How is observation used by scientists

When scientists use their five senses to learn new information what is this called

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4.2
10 Reviews

Chemistry

17 cards

What does the solvent do in a solution

What is PPM in full

Does meteors move around the sun

What kind of solid breaks with no regular patterns

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3.67
3 Reviews

Physics

20 cards

The molar mass of a gas is

During an inquiry activity You can use one or more of your five senses during an inquiry activity to make

The rate at which work is done is called power

What could cause a rigid container of gas to explode

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4.43
7 Reviews

What is the name of the most abundant METAL in the earths crust

An maritime tropical air mass would be best described as

The lifting and removal of loose material by wind is called

Does Sydney Australia have a temperate climate zone

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4.33
3 Reviews

How does natural selection lead to evolution

Competitive exclusion is most likely to occur between two

What ecological word describes climax community

What must be true for natural selection to happen

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2.85
13 Reviews

Volcanoes

14 cards

What are the types of luster

What is the process of moving rocks to a new location

What is another name for water shortage

Which planet claims the largest volcanic cone in the solar system

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1.0
1 Review

Genetics

13 cards

What is a chromosome

What is an allele

Why do cells need to divide

What is a tetrad

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3.67
3 Reviews