Grade 5 STEM Review

Haundae-gu

100

What is the primitive data type in JavaScript that represents true or false values?

boolean

200

What is the physical state of matter characterized by a definite shape and volume?

Solid

300

What is the process of a substance changing directly from a solid to a gas without becoming a liquid first?

sublimation?

400

What is the measure of compactness or heaviness of a substance per unit volume?

Density

500

What is the number of protons in the nucleus of an atom, determining its identity in the periodic table?

atomic number

Busanjin-gu

100

What is the primitive data type in JavaScript that represents textual data?

string data

200

Says her life is good

Miu

300

What is a pure substance composed of atoms with the same atomic number?

element

400

What is the property of an atom that determines its position in the periodic table based on the number of protons in its nucleus?

atomic number

500

What is the temperature at which a substance changes from a gas to a liquid? _______ point

condensation point

Suyeong-gu

100

What is the primitive data type in JavaScript that represents a value that is un_____ or has no value?

undefined data type

200

If he follows the same linear function trajectory he will have had 100 girlfriends by the age of 21

Sunwoo

300

What is the force exerted on an object due to gravity, measuring the mass of the object?

weight

400

At what temperature does a substance transition from a gaseous state to a liquid state? __________ point

condensation point

500

Which subatomic particle orbits around the nucleus of an atom in specific energy levels?

What is an electron?

Yeongo-gu

100

What is the primitive data type in JavaScript that represents the absence of any object value?

null data type

200

Grade 4 student named after a city in Texas, USA

AUSTIN

300

What is a substance formed by the chemical combination of two or more elements?

compound

400

What is the negatively charged particle that moves in specific energy levels around the nucleus of an atom?

electron

500

What is the measure of how much mass is contained in a given volume of a substance?

Density

Seo-gu

100

He left the class but we think of him everyday

Zetta

200

Grade 4 student who will join the class soon

Jayme

300

What is the gravitational force acting on an object, determined by its mass

Weight

400

What is a group of atoms bonded together, representing the smallest unit of a compound that retains its chemical properties?

molecule

500

Which subatomic particle has no charge and is located in the nucleus of an atom?

neutron?