Vocabulary
Physical Science
Ecosystems
Experiments & Mystery Science
100

– verb. To combine two or more things.

"What is mix?"

100

– noun. Anything that has mass (weighs at least a little bit) and takes up space (has volume).

"What is matter?"

100

– noun. The ability to do work or to take action.

"What is energy?"

100

– noun. A special type of mixture in which the particles of one material are dissolved into a different material, so you cannot tell the different ingredients apart.

"What is a solution?"

200

– noun. A combination of two or more substances whose particles have not joined together.

"What is a mixture?"

200

This category of material has only parts are each made of the same type of particle.

"What is a substance?"

200

An herbivore eats only plant material such as leaves and fruit. A carnivore eats only animal material such as meat and eggs. However, this type of animal regularly eats both.

"What is an omnivore?"

200

Some scientists hypothesize that an asteroid collided with Earth and created a cloud of dust so enormous that it blocked out the sunlight, and the lack of sunlight caused several species' extinction, most notably this type of animal.

"What are dinosaurs?"

300

– noun. The property that describes how effectively a substance can dissolve into another substance.

"What is solubility?"

300

This is one of the smallest pieces of matter, such as an atom. Often, it is too small to be seen.

"What is a particle?"

300

This simple diagram shows a plant to have one source of energy, such as the sun, and to be the energy source of one animal.

"What is a food chain?"

300

In class, we determined that an old, tarnished penny can shine again if dipped in this solution. 

"What is salt in vinegar?"

400

– noun. A pretend version of something that scientists use when the real thing is too big, too small, or too complicated to work with.

"What is a model?"

400

A trait or characteristic--such as hardness, reflectivity, electrical conductivity, solubility, or density--that consistently describes a substance are called this. 

"What is a property?"

400
A diagram that shows one animal, such as a squirrel, having multiple sources of food energy (such as acorns and crickets) and having multiple predators (such as hawks, coyotes, and cats) is an example of this.

"What is a food web?"

400

In class, we saw that a steel paperclip left overnight in a salt-in-vinegar solution with several pennies will become coated in this substance. 

"What is copper?"

500

– as a noun: A test used to discover new information about a question.
– as a verb: To carry out a test with the purpose of discovering new information about a question. 

"What is experiment?"

500

In class, we have seen that salt can be added to vinegar, but the salt does not disappear. Sugar can be added to tea, but we know that the sugar doesn't disappear because the tea tastes sweeter. Instead, the salt and the sugar did this. 

"What is dissolved?"

500

One arrow in a food chain or a food web points from sunlight to grass. The next arrow points from grass to rabbit. Another arrow points from rabbit to snake. Another arrow points from snake to hawk. The arrows are pointing where the matter travels, also known as this.

"What is matter flow?"

500

Some students tested reflectivity by shining a flashlight through a transparent object. Others tested hardness by scratching a solid object with a screw. Some students tested solubility by scraping fragments of a solid into 10mL of water. We were testing these scientific traits.

"What are properties?"