Environmental Changes
Human Organs
Behavior Traits and Adaptations
The Solar System
Nature of Science
Vocabulary
Weather
100
Some hummingbirds in Anna's garden are faster than others. Some consume more nectar and fewer insects than others. Some have longer beaks and tongues. What is the best explanation for why these differences are important?
A. Differences make it less likely that all of one resource is not used up.
B. Differences make it more likely that different individuals are recognizable.
C. Differences make it less likely that resources are shared with other birds and animals.
D. Differences make it more likely that some hummingbirds will survive if conditions change.
D. Differences make it more likely that some hummingbirds will survive if conditions change.
100
Joanna is making a model of an organ that makes enzymes used to digest food. Which organ is she modeling?
bladder
heart
lungs
pancreas
pancreas
100
This dolphin’s traits are labeled in the image.
Which of the dolphin's traits is most likely a result of its interactions with the environment?
Blowhole
Snout
Tail
Scars
Scars
100
These planets have rocky surfaces.
The inner planets
100
Chris is measuring how adding salt to water changes the time it takes the water to boil. He runs an experiment with tow containers, one with salt and one without. Chris concludes that water boils at a higher temperature when salt is added. Which of these observations is evidence to support Chris's conclusion?
A. Stirring that water made it boil faster.
B. All of the salt did not dissolve in the water.
C. The water with salt did not boil until the temperature was 104* C
D. Adding more salt may change the boiling temperature even quicker and to a greater degree.
C. The water with salt did not boil until the temperature was 104* C
100
The _______ are attached to the _________ to help the body move.
The muscles are attached to the skeleton to help the body move.
100
When clouds become too heavy it begins to.
Rain
Evaporate
Bounce
Rain
200
Cacti survive in very dry weather. Which feature would help one cactus survive an unusually dry period while another cactus would not?
A. shallower root system
B. larger stems that store more water
C. more branches to shade the root system
D. sharper needles that pierce passing animals
B. larger stems that store more water
200
The organ shown by the arrow produces bile. Bile helps break down food. What is the organ?
esophagus
intestine
liver
stomach
liver
200
Students recorded a number of characteristics of a plant growing in their classroom. Which characteristic was inherited from the plant’s parents?
A. Is watered once each week
B. Has small, yellow flowers
C. Grows in a red, clay pot
D. Was knocked over one time
B. Has small, yellow flowers
200
These planets have rings
The outer planets
200
Gina and Sam did the same experiment. They wanted to see how much sugar will dissolve in 100* C water. They both used one cup of hot water and added one tablespoon of sugar at a time without stirring until it no longer dissolved. They recorded how many tablespoons they added before they saw crystals remain on the bottom. They got different results. What should they do?
A. combine their results
B. both do the experiment again
D. flip a coin to choose one of the results
D. ask their teacher to choose the best results
B. both do the experiment again
200
The use of colorings or markings to look like another organism or object
Mimicry
200
I measure air pressure.
Ruler
Speedometer
Barometer
Barometer
300
Last winter was very rainy. There was standing water in Katherine's lawn for weeks. The tree on the left survived. The other one did not. What adaptation did the survivor probably have that allowed it to live?
A. It could grow taller.
B. It could tolerate wet roots.
C. It could sweat through bark.
D. It could take in water through leaves.
B. It could tolerate wet roots.
300
In order to provide oxygen and remove carbon dioxide, air must be pumped into and out of which of the following organs?
Bladder
Heart
Brain
Lungs
Lungs
300
Ian recorded inherited traits of a rose plant, as well as traits that are not inherited, on the provided table.
Which characteristic describing not inherited traits did Ian not write down?
Sharp thorns
Small buds
Chewed leaves
Long roots
Chewed leaves
300
How many days does it takes for Earth to resolve around the sun?
365 days
300
A drug company is testing a new medicine to cure asthma. They are using 100 people in the experiment. they give one group of test subjects the new medicine in a tablet. They give the other group an identical tablet with no medicine. Every week they interview all of the test subjects.
What is the best reason that one group gets an identical tablet with no medicine?
A. to find out how long it takes people to get well with no medicine
B. to find out whether people really get well or if they are just pretending
C. to be sure it is medicine that makes people well and not anything else
D. to find out whether the new medicine makes people sicker than people who get no medicine.
C. to be sure it is medicine that makes people well and not anything else
300
This is another term for chemical change; it involves combining different substances and producing a new substance.
Chemical Reaction
300
The coldest climate zone.
Polar
Temperate
Tropical
Polar
400
Which of the following is a characteristic of an amphibian?
A. Breathes with gills then lungs
B. Gives birth to living young
C. Has no backbone
D. Lives in water its whole life
A. Breathes with gills then lungs
400
Which organ has nerve endings that can take in information such as textures and air temperature?
Heart
Skin
Brain
Lungs
Skin
400
Several of the same kind of plants are growing in the same location in a forest. The plants growing in the shade of a tree are taller than those growing in full sunlight. This is an example of which of the following?
A. The ability of plants to make their own food.
B. Plants and trees depending on each other.
C. Plants looking for ways to reproduce.
D. The environment affecting the characteristics of plants.
D. The environment affecting the characteristics of plants.
400
What is the name of our galaxy?
A. Mars
B. Twix
C. Milky way
The Milky Way
400
Stephen is interested in learning more about insulators and conductors. He is tired of burning his hands on his hot coffee mug, but he still wants to drink his coffee when it's hot. He does an experiment to see which type of insulator keeps a cup of boiling water hot the longest.
What will Stephen use as a control in this experiment?
A. empty cup
B. cup of boiling water with no insulator
C. cup of boiling water with no thermometer
D. cup of water that is heated to keep it boiling
B. cup of boiling water with no insulator
400
Energy produced by moving particles
Thermal
400
What is humidity?
Amount of water vapor in the air.
500
Ricardo went for a walk with his family and saw many flying animals. Which animal that Ricardo saw is a vertebrate?
Hummingbird
Dragonfly
Ladybug
Bee
Hummingbird
500
This model shows the organs our bodies use to digest food.
Which organ absorbs most of the nutrients from our food?
esophagus
large intestine
small intestine
stomach
small intestine
500
Many animals migrate in spring and fall. Geese, whales, elk, and butterflies all make seasonal migrations. Which reason best explains this behavior in animals?
A. It is learned behavior
B. It is instinctive behavior
C. It is an inherited characteristic
D. It is a physical characteristic
B. It is instinctive behavior
500
What separates the four inner planets and the four outer planets?
A. An asteroid Belt
B. Some stars
C. Some Moons
A - an asteroid Belt
500
Spencer is doing an experiment about friction. He measures the force needed to pull a toy car carrying a rock up a ramp. Then he puts a piece of sandpaper on the ramp and measures again. He concluded that sandpaper increases the force of friction. Which of these observations provides evidence to support his conclusion?
A. Using a different scale might change the results.
B. More force might be needed if the ramp were higher.
C. More force was needed after the sandpaper was added.
D. Putting a rock in the car increases the mass being pulled.
C. More force was needed after the sandpaper was added.
500
Humans have a _________, also known as a endoskeleton, which provides a support structure, protects internal organs, and other _________.
Humans have a internal skeleton, also known as a endoskeleton, which provides a support structure, protects internal organs, and other functions.
500
Rain, sleet, snow, and hail are examples this.
Precipitation