1. Matter Review

2. C use a magnet to attract the metal and separate it from the mixture
Matthew accidentally swept all his sand into a pile of metal filings, but he needs to save the sand for his sandbox. How can he get the sand back without the metal filings?
A put the sand and metal filing mixture in water and boil it to separate the mixture
B pour the mixture through a filter to separate the sand from the metal filings
C use a magnet to attract the metal and separate it from the mixture
D Pick each piece of sand out with your hands and put it in the sandbox

3. One morning, you notice a sheet of ice has covered the windshield of the car in your driveway. What temperature would it have to be outside?
A  32°C
B  100°C
C  0°C
D  212°F

4. Grandma made her lemonade too sour, what can she do to make it taste better?
A  Pour half of the lemonade into a smaller glass.
B  Add water to the lemonade.
C  Add lemon to the lemonade.
D  Boil the lemonade.

5. Which of the following substances is soluble in water?
A  salt
B  iron filings
C  sand
D  oil

6. What is anything that has mass and takes up space?
A  Volume
B  Matter
C  Mass
D  Solid

7. Lisa needs to make spaghetti
Lisa needs to make spaghetti. The first step is to bring the water to a boil, then add the noodles and cook for 11 minutes. How hot does Lisa need to get the water before adding the noodles?
A  32°C
B  100°C
C  0°C
D  100°F

8. Which of the following best describes a liquid?
A  Definite volume, indefinite shape
B  Indefinite volume, Indefinite shape
C  Definite volume, definite shape
D  None of the above

9. All of the following describe the gasses in the air except:
A  Takes the shape of its container
B  Molecules move quickly
C  Liquid at room temperature
D  A mixture

10. What happens when water freezes?
A  the molecules slow down
B  the molecules lose heat
C  the temperature of the molecules
drops below 0°C
D all of the above

11. Which method will help you separate a saltwater solution?
A  Boil the water and the salt will float to the top
B  Pour the water through a filter to collect the
salt
C Freeze the water and the salt will be left behind
D Evaporate the water and the salt will be left behind

12. Which tools do you need in order to separate a mixture of sand and water?
A  Hot plate
B  Filter
C  Microscope
D  Magnet

13. Look at the diagram below. What can you tell about the leaf?
A The leaf is more dense than oil, but less dense than water.
B The leaf is less dense than oil, and less dense than water.
C The leaf is more dense than oil, and more dense than water.
D The leaf is less dense than oil, and more dense than water.

14. Which substance is most likely represented by the molecules this container?
A  Water
B  Blueberries
C  Helium
D  Oil

15. Which tool can tell you whether an object is metal or plastic?
A  Hot plate
B  Magnet
C  Microscope
D  Triple beam balance

16. Which of the following best describes a liquid?
A molecules move freely and quickly past each other.
B  molecules take on the shape of their container
C  molecules can vibrate but stay in a fixed
pattern
D all of the above

17. What most likely happens when water heats up to 100°C for ten minutes ?
A  dissolves
B  freezes
C  melts
D  evaporates

18. All of the following is true about a mixture except:
A consists of two or more substances mixed together
B  chemically changes
C  physically changes
D  can be easily separated

19. Which word is needed to complete the chart below?
A  Hot chocolate
B  Sand and metal filings
C  nuts and bolts
D  peanut butter chips and chocolate chips

20. Amber found an item outside, but she can’t decide which state of matter it is. Look at the physical properties of her item and decide which state of matter it is.
A  Gas
B  Solid
C  Liquid
D  None of the above

21. At what temperature does ice begin to melt?
A 32°C
B 100°C
C 0°C
D 100°F