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WorksheetsSCIENCE 4 FIRST PERIODICAL TEST
Total questions: 80
Worksheet time: 49mins
What kind of change occurs if matter changes in amount, size, or shape?
substance change
chemical change
physical change
elemental change
The difference between a Physical change and a Chemical change is…
Physical change is only a change to the outside appearance.
Chemical change is when matter is changed into something new.
Atoms are rearranged in chemical changes & not in physical.
All are correct.
The formation of a solid when two liquids combine is called?
Solidification
Freezing
Precipitate
Solubility
which of these example is a physical change?
A student observes some sugar as it is heated and burns. The student concludes that a chemical reaction has occurred. Which of the following observations about the burning sugar provides evidence of a chemical reaction?
Heat is added to the sugar crystals.
The sugar melts and becomes a liquid.
Gas is produced as the sugar turns black.
No evidence of chemical reaction is present.
Bethany had a beaker with a small amount of baking soda. She added a few drops of pickle juice to the baking soda and observed fizzing and bubbling. Based on her observation, which of these can Bethany determine about the new substance formed by mixing the baking soda and pickle juice?
A chemical reaction produced a solid.
A chemical reaction produced a gas.
No chemical reaction took place.
Only a physical change happened.
The brown color of a cut apple can be called
physical change
chemical change
evidence of chemical reaction
all of the above
This is a picture of a pond.
This is a picture of a well.
5.Where does water come from?
Rain
Space
Milky way
Planets
8.We cannot drink water from sea/ocean because it is?
Salty
Bitter
Tangy
Sweet
11.These are the sources of water
Lake
River
Ocean
All of the above
What do we use water for in the house hold? Check all that apply.
washing dishes
kayaking
paddleboarding
bathing
washing the car
True or False: Water pollution and waste plays a big factor in water shortage.
True
False
We can drink any kind of water we find in nature.
Fact
Fake
Saline water comprises _________ % of all water sources available on the earth
3 %
97 %
100 %
50 %
How much of Earth's surface is covered in water?
1% is drinkable
33% is fresh water
72% of the earth is covered by water
Water has no taste.
True
False
Without water there is no___________!
time
tasks
mobile
life
When solid water turns into liquid water it is called...
Solid water
Melting
Condensation
Freezing
The photograph shows both erosional and depositional features formed by an agent of erosion. Which agent of erosion produced the features shown in the photograph?
running water
glacial ice
ocean waves
prevailing wind
How is a stream?
Is like the lakes
Is like the river but smaller
Is like an ocean
How does the water looks in a lake?
It has big waves
It is calm
It is running water
Body of water surrounded by land
Ocean
River
Lake
A line of running water that start in high lands like mountains
Ocean
Lake
River
A river is similar but bigger than a
Ocean
Lake
Stream
Find the best description of an Ocean..
Large body of salty water
Body of water surrounded by land
Fresh water inside the land
_________ means to use less of something?
Reduce
Recycle
Reuse
To _________ is to use something more than once.
reduce
reuse
recycle
The students toss their papers in the _________ bin instead of the trash can.
reducing
recycling
reusing
Mason sells his toy trucks at a yard sale. His toy trucks will be _________ by someone else.
reused
reduced
recycled
Sofia shucks corn and composts the husks. She _________ the amount of food that ends up in the landfill.
reduces
reuses
recycle
Owen's bike broke. He took it to a bike shop to have it fixed. Owen decided to _________ his bike instead of buying a new one.
reduce
reuse
recycle
Mrs. Henry asked that no more paper catalogs be mailed to her. She _________ her amount of junk mail.
reused
reduced
recycled
Ava brings her lunch to school in the same bag each day. She _________ her lunch bag.
reuses
recycles
reduces
Mr. Tucker collects his used metal cans and plastic bottles. He drops them off at the _________ center once a month.
reducing
recycling
reusing
What is it?
metal
plastic
glass
paper
What do the 3 R's stand for?
Rabbit
Reuse
Reduce
recycle
Use an old car tire as a swing. Reduce, reuse, recycle, or trash?
What are the 3 R's?
reduce, reuse, and recycle
Read, recycle, and resources
read, recycle, and reuse
When I have food I am not going to use, what should I do with it?
Reuse
Donate
Waste
Miguel's bike broke. He took it to a bike shop to have it fixed. He decided to _________ his bike instead of buying a new one.
Reduce
Respond to
Reuse
The old cardboard was used to make new boxes. The cardboard was _________.
Recovered
Recycled
Rescued
Reduced
Teacher Sarah asked that no more paper catalogues be mailed to her. She _________ her amount of junk mail.
Reused
Recalled
Reduced
Recycled
Choose the Reduce, Reuse, Recycle symbol.
How can we reduce the use of plastic bags?
Bring our own grocery bags
Throw away plastic bags after using it
Buy many plastic bags for our own use
Burn plastic bags together with other rubbish
