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WorksheetsMidyear Science DA
Total questions: 40
Worksheet time: 28mins
Name
Class
Date
1.
DJ was so frustrated with his test grade that he started ripping up his paper. He didn't think that was enough so then he set it on fire. What kinds of changes are these?
a)
Ripping the paper and burning it are both physical changes.
b)
Ripping the paper is a physical change and burning the paper is a chemical change.
c)
Ripping the paper is a chemical change, and burning it is a physical change.
d)
Both of them are chemical changes.
2.
You are looking at a living organism. It has what looks like smooth skin and is standing near the small pond in your backyard. What can you conclude from this information?
a)
It is an amphibian because it has smooth skin and lives in water for the first 80 days of it's life.
b)
It is a fish because it is near water.
c)
It is a mammal because mammals need water and nutrients.
d)
It is a bird because bird's need water to live.
3.
Vertebrate animals that nurse babies from mammary glands, have hair and are born alive are called _____________.
a)
Reptiles
b)
Birds
c)
Mammals
d)
Amphibians
4.
How could you tell that a plant is a seed producer?
a)
It will have fruit, pollen or spores on it.
b)
It will be low to the ground.
c)
It will only have flowers on it.
d)
It will be very tall.
5.
Redwood trees can grow to be very tall because they are __________.
a)
Vascular
b)
Deciduous
c)
Nonvascular
d)
Flowering
6.
The first animal does not live in the water and has rough scaly skin. The second animal has fur and does not lay eggs. What are examples of these two animals?
a)
frog and penguin
b)
ladybug and moose
c)
snake and pig
d)
toad and human
7.
A student watched a plant grow taller and taller in their yard. They decided to water the plant with red water. What will happen to the roots and stems of the flower?
a)
The roots and stems will stay the same color.
b)
The roots and stems will turn red because it is vascular.
c)
The roots and stems will change red because they are NONvascular.
8.
Vascular plants have to transport food and water through their cells, and not through a tube transportation system.
a)
True
b)
False
9.
The ___________ is the basic unit of life
a)
organ
b)
cell
c)
atom
d)
tissue
10.
Which organelle is only found in a plant cell?
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
cell membrane
11.
I am the outer most layer of an animal cell. What am I?
a)
cell wall
b)
nucleus
c)
cell membrane
d)
cell skin
12.
What is the function of a cell wall?
a)
to protect and support the cell
b)
to perform different functions in each cell
c)
to prevent water from passing through it
d)
to prevent oxygen from entering the cell
13.
In what part of the plant cell does the process of photosynthesis take place?
a)
nucleus
b)
mitochondria
c)
chloroplasts
d)
vacuoles
14.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
telescope
15.
What part is labeled W and what is it's function?
a)
It is the nucleus, which holds all the information to tell the other organelles how to function.
b)
It is the cytoplasm, which holds the organelles in place.
c)
It is the cell wall, which holds the plant cell's shape and protects it.
16.
What is the difference between organism A and organism B?
a)
Organism A is an animal and Organism B is not.
b)
Organism A has smooth skin and is an amphibian. Organism B is an invertebrate.
c)
Organism A and B are both vertebrates, but A lives on land for part of it's life.
d)
Organism A and B both don't have a backbone, but Organism A is an amphibian.
17.
Jassmine was looking through a microscope at a cell. She sees that is circular and has a dot in the middle of it. Which Sample cell could she be looking at?
a)
Sample A
b)
Sample B
c)
Sample C
d)
Both Sample A and C
18.
Brayden was looking through a microscope at this cell slide. What could he conclude from looking at the cell?
a)
This is a non-living thing. It is rigid in structure and does not move on it's own.
b)
These are scales to help protect the cell.
c)
This cannot be seen underneath a microscope because it is a cell.
d)
This is a building block of life. It is too small to be seen. By looking at the shape, it seems like a rigid structure, which tells me that it is a plant cell.
19.
Which organism produces seeds but not flowers?
a)
Lilies and orchids
b)
Horsetails and ferns
c)
Pines and ginkgoes
d)
Ferns and orchids
20.
Controls what enters and leaves the cell
a)
Mitochondria
b)
Cell Membrane
c)
Cell Wall
d)
Nucleus
21.
What would happen to the plant cell without the chloroplasts?
a)
There wouldn't be an organelle that performs photosynthesis
b)
There wouldn't be an organelle that serves as the resevoir for water and waste
c)
There wouldn't be an organelle that regulates what comes in and out of the cell
d)
They wouldn't be an organelle that makes necesary proteins
22.
What is known as the brain of a cell?
a)
cell wall
b)
Cell membrane
c)
Nucleus
d)
Nuclues
23.
Michael was talking with his mom about what makes a mammal different from the other vertebrates. Michael says it is because they give live birth. What is another reason he could give his mom to show how mammals differ from other vertebrates?
a)
They breathe with lungs.
b)
They can have either rough or smooth skin.
c)
They have mammary glands to give milk to their young.
d)
They swim in water sometimes.
24.
Ethan Nguyen's parents both have black hair, like to eat cheeseburgers, paint really well and like to ride bikes. Which of these traits would be an inherited trait?
a)
black hair
b)
liking cheeseburgers
c)
painting well
d)
riding bikes
25.
a)
The puppies will have thick fur.
b)
The puppies will easily respond to a whistle.
c)
They will not have a long tail.
d)
The puppies will herd sheep easily with training.
26.
Amir and Elizabeth are having a baby. Elizabeth is a tall woman with brown eyes, red hair, freckles, and a love of Italian food. Amir is of average height with dark brown hair. He plays the guitar and loves classical music. Which of these traits are inherited?
a)
brown eyes
b)
love of Italian food
c)
knowing how to play guitar
27.
Many organisms have inherited traits to help them survive in their environments. Which is an example of inherited characteristics that will help an organism survive in its environment?
a)
cows rubbing against fence posts
b)
snakes having scaly skin
c)
birds drinking from ponds
d)
owls resting in their nests
28.
Samantha just dyed her hair pink. Is her pink hair a learned behavior or inherited trait?
a)
learned behavior
b)
inherited trait
29.
Botox (Clostridium botulinum) comes from a bacteria that causes a very dangerous food poisoning called botulism. This bacteria can cause severe illness and even death. Doctors have found that this microorganism can paralyze muscle spasms. This ability allowed it to be used with migraine headaches to reduce pain. Some doctors use its properties to temporarily smooth out wrinkles. Which conclusion is best supported by the evidence in the paragraph?
a)
People should stay away from Botox. It is a very harmful microorganism that can cause death.
b)
Humans should try to take as much botox as they can to avoid headaches and looking wrinkled.
c)
Botox is a microorganism that is neither helpful nor harmful. It is commonly found on every surface.
d)
Doctors have learned to use botox in a safe way so that its benefits outweigh that dangers of the microorganism.
30.
Both Cara and Blake got sick. What might have been the cause of their sickness?
a)
You can conclude they got sick because they swallowed protists while in the lake.
b)
You can conclude they got sick because they got wet during the hike.
c)
You can conclude they got sick because there might have been e.coli in the undercooked hamburger.
d)
You can conclude they got sick because there was harmful bacteria in the cave.
31.
Abraham leaves a peach on the counter as part of an experiment. After four weeks he notices that a bluish green mold is on the peach. Which conclusion is true about this experiment?
a)
Microorganisms grew bigger and bigger as they ate the peach.
b)
The mold is not a microorganism.
c)
Microorganisms on the peach multiplied many times making them visible without a microscope.
d)
Peaches naturally turn bluish green as they ripen.
32.
Microorganisms have many different purposes. What is one beneficial use of yeast?
a)
to fight off bad microorganisms
b)
to make yogurt
c)
to cure chicken pox
d)
to make bread rise
33.
How can harmful microorganisms such as chicken pox be used tor beneficial purposes?
a)
Harmful microorganisms help the bacteria in your body stay balanced.
b)
Harmful microorganisms can be used to make yogurt.
c)
Scientists can take small amounts of the virus and use it to make a vaccine.
d)
Harmful microorganisms have no beneficial uses.
34.
When baking a cake, Nick likes to first crack open the eggs, whisk the eggs, then whisk in the cake mix. When it's mixed, he pour the mix in a cake pan. Which of these actions creating a chemical change?
a)
Cracking the egg
b)
Whisking the egg
c)
Mixing the mix and eggs.
d)
Putting the mix in a pan.
35.
Jack says that if you light a match on fire, it is a physical change because it looks different which would be a physical change. Ellen says that it is a chemical change because a new substance is formed and the match cannot be reversed. Who is correct?
a)
Jack is correct because a physical change is when it changes color.
b)
Jack is correct because it is still a match.
c)
Ellen is correct because the match is still a match even after burning it.
d)
Ellen is correct because it changes temperature and cannot be reversed.
36.
Two students mix together salt, sand and water. Which of these actions would be a physical change to the mixture?
a)
Boiling the water to leave the sand and salt.
b)
Straining the water through a strainer to leave the sand behind.
c)
Cook the mixture until all the water evaporates.
d)
Put more chemicals in it to allow the salt and water to evaporate.
37.
When creating an experiment, Talen says that if you put baking soda and vinegar together that will create a gas which is a chemical change. Is he right or wrong and why?
a)
He is wrong. It is a physical change.
b)
He is wrong. It makes no changes.
c)
He is right. It will form bubbles, showing its a chemical change.
d)
He is right. It is a chemical change because nothing will happen when mixed together.
38.
Joel finds an animal in a small pond in his backyard. He sees that it laid its eggs, but the parents live on land. What type of animal could this be classified as?
a)
fish
b)
mammal
c)
reptile
d)
amphibian
39.
What would be an analogy for the function of a cell membrane?
a)
It is like the brakes on a car, it control the movement.
b)
It is the body guard, controlling what enters and leaves the cell.
c)
It's the brain of the cell, telling the organelles what to do.
40.
click the box that says "click this box".
a)
click this box
b)
NOT THIS ONE
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