Science Glossary Combi Part 2

Kidneys

Pair of bean-shaped organs that filter the wastes from the blood

Kinetic energy

Energy in motion

Large intestine

The organ of the digestive system where undigested food is temporarily stored for excretion

Length

The measure of how short or long an object is

Light

A form of energy that makes us see

Limbs

The part of the body that includes the arms, hands, legs, and feet

Liquid

The state of matter that has no definite shape but has a definite volume

Liver

The largest internal organ of the body that stores food nutrients

Magnet

A material or object that attracts other materials commonly made up of iron

Magnifying glass

A tool used to have a larger view of small objects

Malleability

The ability of some materials to be pounded into thin sheets

Mass

The amount of matter contained in an object

Matter

Anything that occupies space and has mass

Measuring

The process of acquiring data that describes the amount of something

Melting

The process by which solid changes to liquid

Melting point

The temperature at which solid changes to liquid

Molecule

The smallest particle of matter that exhibits the properties of the material

Motion

A change in the position of an object with respect to a reference point

Neurons

Billions of cells in the brain that make up the brain

Noise

An unpleasant or disturbing sound

Nonbiodegradable

Materials that do not decay

Nonrenewable resources

Natural resources that cannot be replaced

Nostrils

The openings in the nose

Observing

The process of identifying facts about certain things or events using the five senses

offspring

child of a parent; any young animal or plant

omnivores

a group of animals that eat both plants and animals

optic nerves

the special nerve cells of the eyes that carry messages to the brain

organ system

a group of organs that work together to perform similar functions

ovary

an organ of the female reproductive system that produces the egg cells

perseverance

the attitude of being dedicated despite challenges and failures

phenomenon

an event that can be observable by the senses or with the use of an equipment

physical change

a change in the physical properties of materials

pitch

the highness and lowness of a tone or sound

pollution

contamination of air, water, and soil by harmful substances

pores

the openings in the skin where sweat comes out

precipitation

the process by which water in the atmosphere falls to Earth in the form of rain, snow, sleet, and dew

prediction

a smart guess of the expected outcome based on a pattern of evidence

primary root

the first root that comes out from the sprouted seed

producers

living organisms that produce their own food

properties

a unique characteristic of an object that may be observed with the senses or use of an equipment

rain gauge

an instrument used to measure the amount of rainfall

reflection

the bouncing back of light

refraction

the bending of light as it passes through a different substance

reproduction

the process in which living things make more of their kind for the continuation of species

respiration

the overall process of taking in oxygen gas, using oxygen gas to release energy in food, and eliminating carbon dioxide from the body.

reversible

can be returned to its original form

scientist

A person who is an expert in a particular field of Science

skeletal muscles

The muscles that are attached to the bones

skeleton

The bones that make up the framework of the body

small intestine

The part of the digestive system in which final digestion takes place

smooth muscle

Involuntary muscle of the stomach, intestines, and other internal organs

soil

The loose rock particles on the surface of Earth

solar energy

The energy from the Sun

solid

The state of matter that has definite, size, shape, and volume

solubility

The ability of a substance to dissolve in liquid

sound

A form of energy that is produced by the vibration of particles in an object

stopwatch

A tool used to measure the time it takes for an event to happen

sublimation

The process by which solid changes to gas directly without passing through a liquid state

surroundings

All things and events on Earth that affect the life of living things

tape measure

A tool used to measure the length of objects in centimeters and inches

temperature

The hotness and coldness of a body

thermometer

An instrument used to measure temperature

thermal expansion

The change in volume of a substance when exposed to heat

terrestrial

Living or growing in or on land or Earth

texture

The surface feel of an object; how rough or smooth an object is

time

The measure of how long it takes for events to happen

tissue

A group of cells doing similar functions

topsoil

The uppermost layer of soil on Earth where plants grow

ultrasonic sound

Sound beyond human hearing

unbalanced forces

Forces that act on moving objects

urine

An excreted waste produced by the kidneys

vaporization

The process by which liquid changes to gas

vibration

The back-and-forth movement of molecules that produces sound

volume

The space occupied by matter regardless of the container it is placed in

voluntary muscles

Muscles whose movements cannot be controlled

water cycle

The continuous movement of water from the oceans and freshwater sources to the air and land and finally back to the oceans

weather

The condition of the atmosphere from day to day

weighing scale

Equipment used to measure the weight of objects in different units

weight

The force exerted on a body by gravity (like Earth's gravity)