How many states of matter are there?
3- solid, liquid, gas
When something it is attracted to iron, cobalt or nickel, it has what property?
Magnetism, magnetic
Finish the sentence: A mixture is a combination of two or more different ______________
substances
I baked a cake. Is this a physical or chemical change?
chemical- can't be reversed
Name 3 producers
Examples; trees, grass, flowers, veggies, seeds, fruit, venus fly traps, seaweed, coral, algae etc.
What state of matter has no definite shape and no definite volume?
gas
The amount of MATTER in something
Jim added sugar to his tea. Is the sugar the solute or solvent?
solute! Remember, you add in the solUte
We saw a fireworks display. Is this a physical or chemical change?
chemical- can't get the fireworks back after being burned
What 3 ingredients do plants need to make photosynthesis?
water, carbon dioxide, and sunlight
What state of matter has a definite volume, but no definite shape?
liquid
What equipment/tool do we use to measure mass?
A balance, I will accept scale
Franny has a very strong drink. She wants to make it weaker. What can she do to it?
I will accept any: dilute it, add more water, or add more solvent, water it down, etc.
Give an example of a physical change.
What does an omnivore eat?
both plants (producers) and other animals (meat)
Describe the volume and shape of a solid
Definite shape and definite volume
What is a solvent?
Answers: the substance that is doing the dissolving, the substance dissolving the solute
Name 3 clues that a chemical change has occurred!
Possible answers: heat/fire, smoke, odor change, can't be reversed, spoiled, light, bubbles/gas
What is the difference between abiotic and biotic?
abiotic is not living, and biotic is living
What units do we use to measure mass?
GRAMS
The ability to float is called ___________
buoyancy
Describe the term "saturated." You have to mention the solute.
Answers; when you add in too much solute, the solute can't dissolve anymore, etc.
Is photosynthesis a chemical or physical change?
Chemical- it creates a new substance (sugar and oxygen), it gives off a gas (oxygen)
What consumer eats dead plant and animal matter?
decomposer