- Which of these is not an example of a chemical change?
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_atoms.htm
Your answer:
A burning candle
A melting ice cube
A cake baking in the oven
A nail that is rusting
- All matter is made of _____
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_atoms.htm
Your answer:
Reactions
Atoms
Solutions
Compounds
- What’s going on in this picture?
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_atoms.htm
Your answer:
the molecule is freezing
atoms are combining to make a molecule
it is an element
none of the above
- Skimmed milk is made by taking the fat off the top of milk. Making skimmed milk is an example of
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_atoms.htm
Your answer:
Using physical properties to separate a mixture
Using chemical properties to separate a mixture
Solubility
Combustibility
- Which of these is an example of a chemical change
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_atoms.htm
Your answer:
chopped wood
melting ice
burning wood
evaporated water from a puddle
- This bowl is filled with a mixture of sand and salt. What is the best way to separate the salt from the sand?
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_atoms.htm
Your answer:
Shake the bowl, then pour the mixture through a filter
Add water, use a filter to drain the water into a glass, then let the water evaporate.
It is impossible
Drag a magnet through the mixture
- Sterling silver is a combination of silver and copper. Which of the following is also a combination of two or more metals? (hint: use your periodic table)
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_elements.htm
Your answer:
Gold
Brass
Aluminum
Lead
- A scientist needs to take a picture of the well-ordered arrangements of the atoms and molecules with in a substance. Which of the following instruments would be best for the scientist to use?
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_elements.htm
Your answer:
A laser light with holograph
An electron microscope
A seismograph
A stereoscope
- Helium, oxygen and hydrogen are grouped together in the same family because they are all ______
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_elements.htm
Your answer:
Gases
Metalloids
Friends
Metals
- These two boxes show molecules changing from ________
Links to reference material:
http://schools.bcsd.com/fremont/5th_sci_matter_physical_changes.htm
Your answer:
Solid to gas
Liquid to solid
Liquid to gas
Solid to liquid
- How can you change burnt paper back into its original form?
Links to reference material:
http://schools.bcsd.com/fremont/5th_sci_matter_physical_changes.htm
Your answer:
you can’t
add water
cool it
heat it
- If something has the property of a liquid it ______
Links to reference material:
http://schools.bcsd.com/fremont/5th_sci_matter_separating_materials.htm
Your answer:
Does not change shape easily
Is invisible
Takes the shape of its container
The particles do not move very much
- Your pet needs a drink of water and all you have is muddy water. How do you separate the dirt from the water?
Links to reference material:
http://schools.bcsd.com/fremont/5th_sci_matter_separating_materials.htm
Your answer:
evaporation
magnet
filter
tongs
- How do you get the salt out of a salt water solution?
Links to reference material:
http://schools.bcsd.com/fremont/5th_sci_matter_separating_materials.htm
Your answer:
use a hot plate
use a filter
use tongs
use a funnel
- Will steam from salt water be salty?
Links to reference material:
http://schools.bcsd.com/fremont/5th_sci_matter_separating_materials.htm
Your answer:
some will be salty
yes
no
none of the above
- Helium, oxygen and hydrogen are all gasses. What property do they have?
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci__matter_Properties_of_matter.htm
Your answer:
shiny
colorless
solid at room temperature
good conductor
- Which elements are found in all living things?
Your answer:
silicon, gold, silver
carbon, hydrogen, oxygen
iron, sodium, helium
manganese, oxygen, sodium
- Which is a property of NaCl?
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_Salt.htm
Your answer:
Solid at room temperature
Corrodes
Invisible
Malleable
- Metals have certain properties in common. Which is not true of metals?
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_Metal.htm
Your answer:
They conduct heat
They corrode
They conduct electricity
They are good insulators
- Which of these would be a good conductor of electricity?
Links to reference material:
http://schools.bcsd.com/fremont/5th_Sci_matter_Metal.htm
Your answer:
copper wire
plastic spoon
rubber band
popsicle stick