The basic unit of structure and function in living things.

carbohydrate component of plant cell walls.

a cell structure that controls which substances can enter or leave the cell.

a jellylike fluid inside the cell in which the organelles are suspended

control center of the cell, contains DNA

organelle found in plant cells that stores sap and helps to regulate the amount of water in the cytoplasm

organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy

a green pigment found in the chloplasts of plants, algae, and some bateria

cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use

to make larger - looking

a dye used to color parts of a cell to make then easier to see

the job of something

having particular structure to serve a specific function

blood cells that carry oxygen form the lungs to the body cells

the protein that carries oxygen in the red blood cells

light-absorbing molecule

a tiny blood vessel where substances are exchanged between the blood and the body cells

nerve cell

the extension of a neurone, ending in the branching terminal fibers, through which messages pass to other neurons or to muscles or glands.

the bushy, branching extensions of a neurone that receive messages and conduct impulses toward the cell body

a cell with small, hair-like structures that waft to create mucus so dust does not get lungs

hairlike projections that extend from the plasma membrane and are used for movement

a thick, slippery substance produced by the body

absorbs water and mineral ions from the soil

found in the upper layer of leaves, lots of chloroplasts for photosynthesis

a group of similar cells that perform the same function

a collection of tissues that carry out a specialized function of the body

group of organs that work together to perform a specific function

a living thing

the outer layer of an onion (like an onion skin)

the part of the leaf above the palisades layer that prevents the loss of water

the layer of cells in a leaf where most photosynthesis occurs

the middle layer of a leaf where gases diffuse

protective layer on the bottom of leaf which contains stomata & guard cells

a layer of cells that hvae many hairlike extensions called cilia.

Anything that has mass and takes up space.

solid, liquid, gas

characteristics used to describe an object

The amount of space an object takes up

squashed

choice made from among available alternatives

an idea to explain evidence

a very small piece of matter that everything is made up of

to flow

to move back and forth quickly

Third planet from the sun

A measure of the amount of matter in an object

A force of attraction between objects that is due to their masses.

gravity causes a force which pulls objects towards the centre of a planet or star

a force of attraction which is an example of a non-contact force

The unit of measurement for force and weight

A measure of the force of gravity on an object

a push or pull on one object by another that is touching it

The amount of something; _________ is preferred in science to "amount"

unit of mass

taking in nutrients to provide energy and materials for growth

increase in size

an act of changing physical location or position or of having this changed

detecting changes in the environment

the process by which wastes are removed from the body

the process of producing offspring

The process by which cells break down simple food molecules to release the energy they contain

A tiny, nonliving particle that invades and then reproduces inside a living cell

A complex molecule containing the genetic information that makes up the chromosomes

microscope that forms an image by focusing beams of electrons onto a specimen

polymers of amino acids; they are important nutrients for living organisms, as they are used in growth and repair

a nucleic acid found in all living cells; most cells contain both RNA and DNA, but some viruses contain only RNA

flu

A group of similar organisms that can breed and produce fertile offspring

exactly the same

Any difference between individuals of the same species

Product of reproduction, a new organism produced by one or more parents

unable to reproduce

capable of reproducing

a single thing that is taken as an example of a whole category

an identification tool for objects or organisms; most keys provide sets of statements for you to choose between, where the answer leads to you another set of statements and finally an identification

branching into two; most keys involve a statement to which the user answers yes or no, or pairs of contrasting statements to choose between

When solids are heated, they _____

The more energy particles have, the more they ______

When a sloid is heated strongly, ________ energy is transferred to the particles

When a solid is heated strongly, the particles vibrate so much that the _____ forces between them are not strong enough to hold them in a _____ pattern, so the particles can slide past each other.

Once the particles can slide past each other, you now have a _____

If the liquid is heated, some particles can move freely, and they escape as _____ particles

All the water on the planet is constantly being recycled.

What can happen to groundwater?

What force do particles of dust and gas have?

What is evidence?

What can you add to a microscope slide to make cells easier to see?

What is "contact force"?

Which of the following is the unit for weight?

Which is the correct order, from smallest to largest?

Which is the BEST definition for a tissue?

How do the viruses that cause the flu and covid-19 get into your body?

All planets _______ the Sun.

Which of the following is a force caused by moving objects pushing against particles in the air?

The particles are held together very strongly.

The particles touch each other but can move past each other.

Absorbs water and mineral ions from the soil

found in the upper layer of leaves. Lots of chloroplasts for photosynthesis

a group of similar cells that perform the same function

a collection of tissues that carry out a specialized function of the body

group of organs that work together to perform a specific function

to pour

A space where no particles of matter exist

A testable prediction, often implied by a theory

solid to liquid

The temperature at which a solid becomes a liquid

water in gas form

The change of a substance from a liquid to a gas

To heat a liquid until bubbles rise constantly to the surface

To heat a liquid until bubbles rise constantly to the surface

water vapour

the makeup of something

A combination of two or more substances that are not chemically combined

naturally released pollutants from volcanoes, lightning, forest fires, plants, etc.; these include carbon monoxide, nitrogen oxide, particulate matter and sulfur dioxide

The change of state from a gas to a liquid

changes from liquid to solid

Transformations of matter from one state to a different one, for example, from a gas to a liquid.

Used to measure volume of liquids accurately.

The curved upper surface of a liquid in a tube

An instrument used to measure temperature

a form of energy that is transferred by a difference in temperature

moved from one place (or form) to another

To increase in size or amount

the force by which one object attracts another

Anything that has mass and takes up space

"Something that must be changed or transferred in order to do something"

How long does it take for the Earth to spin on its axis?

The strength of gravity on Neptune is 11 N/kg.

Calculate the weight of a 25kg mass on Neptune.

Where do you read volume?

Surface run-off can cause dirt and soil carried from oceans to block rivers.

Decide if the following are elements or compounds.

water

Decide if the following are elements or compounds.

hydrogen

Decide if the following are elements or compounds.

oxygen

a group of cells

The basic unit of life

Which of the following are present in both plant cells and animal cells?

to see, to notice

facts that support or contradict a hypothesis

hypothesis

back up with details

The difference in levels of ocean water at high tide and low tide

The periodic rise and fall of the level of water in the ocean

the rise and fall of the land surface as a result of tidal forces

the force from the gravitational pull of the Moon and the Sun that causes tides on Earth