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WorksheetsScience Unit 2 Review
Total questions: 14
Worksheet time: 13mins
Which state of matter is shown at the highest temperature?
Which of the following are examples of a physical change?
Bubbles forming from mixing baking soda and vinegar
Fireworks shooting off
melting chocolate
baking a cake
burning leaves
Which four are examples of chemical changes?
Dissolving salt
burning leaves
baking a cake
fireworks shooting off
bubbles forming from mixing baking soda and vinegar
What property is used if a sieve is used to separate a mixture of sand and shells?
Magnetism
Solubility (ability to dissolve)
Size
Texture
Jayden has a cup of water measuring 198 g. He has a 1/4 cup of salt measuring 23 g. He mixes the water and salt and stirs until all the salt is dissolved. If Jayden then measured the mass of the water after mixing, what would he find?
The mass will be 23 g.
The mass will be 175 g.
The mass will still be 198 g.
The mass will be 221 g.
Which of the following are physical changes? (Select 2)
Tearing paper
Rolling a ball of clay
Making pancakes
Burning a match
Which of the following are chemical changes?
Rust forming on a nail
Sharpening a pencil
Freezing water to make ice
Blowing up a balloon
Is freezing water to make ice a chemical or physical change?
Chemical Change
Physical Change
What property should be used to separate sand from salt?
Size
Texture
Solubility (ability to dissolve)
Magnetism
Jaxon has a mystery substance. He noticed it flowed and took the shape of the container he poured it in, but the volume did not change. What state of matter is Jaxon observing?
Plasma
Gas
Solid
Liquid
Robert placed a stick of butter in the cup on one side of a balance. He placed a melted stick of butter in the cup on the other side of the balance. What should he observe?
The balance balances.
The melted butter is heavier.
The solid butter is heavier.
Adding heat to molecules causes two changes, what are they? (Select 2)
Particles spread out
Particles squeeze together
Particles move faster
Particles slow down
Isabella observed a clear liquid in a container that was unlabeled. What could she do to determine what the liquid is?
Drink the liquid.
Measure the temperature.
Test the liquid's reaction to Mentos, Alka Seltzer or Baking Soda.
Measure the volume and mass.
Does air have mass?
Yes
No
