Have an account?
What is a variable in an experiment?
Something that stays the same
Something that might change
What are the three states of matter?
How do you make a mixture?
By combining 2 or more substances.
By pouring lots of one substance into a cup.
By stirring water
What do you call the red particles in this mixture?
What do you call the blue substance in this mixture?
Which two words describe a mixture where you CAN'T see the different parts?
Do solids have high or low kinetic (movement) energy?
Low (the particles don't move very much)
High (the particles move around lots)
What is an observation in an experiment?
What you think will happen.
What you see happen.
Which of the following are methods you can use to separate two solids?
Strainer / Sieve
Picking them apart.
What is a heterogenous mixture?
A combination of two or more substances where you can see the different parts.
A combination of two or more susbtances where you cannot see the different parts.
A single substance that you stir.
Which of these are homogenous mixtures?