Nature of Science
Earth and Space Science
Physical Science
Life Science
All Topics
100
Brooke saw a dog wagging its tail and concluded that the dog is happy. Brooke's conclusion is a(n)
a) hypothesis
b) observation
c) fact
d) inference
d. inference
100
Rain, snow, sleet, or hail are examples of
Precipitation.
100
Mia is holding a box on a ramp. She keeps it still so it doesn’t slide down. Which of the following descriptions best explains why the box is NOT moving?
a) Mia applies a force that moves the box upward.
b) Mia applies a force that increases the force of gravity.
c) Mia applies a force that changes the box's direction.
d) Mia applies a force that balances the pull of gravity.
d) Mia applies a force that balances the pull of gravity.
100
An organism that gets energy from the sun and makes its own food is called
A producer
100
A student pulls a plant out of the soil during a science lab. She notices long, thin parts growing under the ground. These parts take in water and minerals and keep the plant from falling over.
Which plant structure is being described?
Roots
200
Terrence completed an experiment and was not sure if his results were valid. How could he be more confident about his results?
a) test the experiment with more than one variable
b) repeat the experiment at least 3 more times
c) use data that matches his hypothesis
d) believe that his first set of data is the best
b) Repeat the experiment at least 3 more times
200
Caroline has a collection of minerals, and she wants to identify each mineral. Which property would be the BEST for Caroline to use to help her correctly identify each mineral?
a) hardness
b) length
c) color
d) mass
a) hardness
200
Colton has an ice cube that has a mass of 4 grams. He places it in a sealed container and then puts it in the microwave on high. The ice cube melts after a few seconds. He removes the sealed container with the melted ice cube and checks the mass again.
Which sentence BEST describes what Colton discovers?
a) The mass of the melted ice cube was less than 4 grams.
b) The mass of the melted ice cube was more than 4 grams.
c) The mass of the melted ice cube remained the same at 4 grams.
d) The mass of the melted ice cube cannot be determined.
c) The mass of the melted ice cube remained the same at 4 grams.
200
In the picture below, how will the plant respond to its environment?
It will bend and start to grow towards the light.
200
DAILY DOUBLE!!!!!
Look at the map below. What weather conditions could we expect to see as the low pressure area moves through Georgia? 
a) a hurricane
b) hot, sunny conditions
c) winds and increased rain
d) a huge drop in temperature
Cardiovascular or Circulatory System.
300
Which activity below can be done with a scientific experiment?
Activity 4
300
Which is an example of weathering?
a) sediments turning into rock due to heat and pressure
b) soil and sediment being set down in a river delta
c) water freezing into a crack in a rock and breaking the rock
d) wind moving sand particles in the desert
c) water freezing into a crack in a rock and breaking the rock
300
The diagram below shows water in its three states of matter. Each arrow represents a change from one state of matter to another. The arrows are labeled 1 through 4.
Which statement best describes arrow 2?
a) Liquid water is being heated.
b) Liquid water is being cooled.
c) Water is condensing.
d) A liquid is turning into a solid.
a) Liquid water is being heated.
300
Which is a learned behavior in dogs?
a. digging b. barking
c. scratching d. giving a high five
d. giving a high five
300
These spores are found in ferns. What structure in animals has the same function as these spores?
a) skin
b) lungs
c) skeleton
d) reproductive organs
d) reproductive organs
400
A student wants to find out if the size of a parachute affects how fast it falls. He uses three parachutes: one small, one medium, and one large. He attaches three different toys to each parachute. He drops each parachute from the same height and uses a stopwatch to measure how long it takes to reach the ground. How can the student best improve his procedure?
a) by using different materials for each parachute
b) by using the same toy with each parachute
c) by dropping the parachutes from different heights
d) by changing the design of each parachute
b) by using the same toy with each parachute
400
DAILY DOUBLE!!!!!!
One afternoon Jerry looks out the window and observes solid falling precipitation. The temperature is 24°F (-2°C), and the wind speed is 5 miles per hour to the north. What type of precipitation does Jerry most likely see?
a. Hail b. Rain c. Sleet d. Snow
d) snow
400
Which of these is the BEST example of how temperature can cause a chemical change in an object?
a) Water boiling and turning into steam.
b) Sugar dissolving in a glass of iced tea.
c) Food cooking faster on a hot stove than on a warm stove.
d) A metal spoon getting hot when placed in a bowl of soup.
c) Food cooking faster on a hot stove than on a warm stove.
400
Which letter on this diagram of the human body shows the location where acids and enzymes break down and digest food?
C
400
Sea turtles and frogs both lay many eggs at one time.
a) Most of their young do not survive to adulthood.
b) They do not have places to hide their eggs.
c) Their eggs must stay warm underground.
d) They take care of each egg for several weeks.
a) Most of their young do not survive to adulthood.
500
Sarah is investigating which material is the best insulator for keeping a drink warm. She pours 100 mL of hot water into three cups. She wraps Cup A in aluminum foil, Cup B in a wool sock, and leaves Cup C unwrapped. After 20 minutes, she measures the temperature of the water in each cup. Her setup is shown below:
What is one way Sarah can improve her procedure?
a) Use different amounts of water in each cup.
b) Start with different initial water temperatures for each cup.
c) Measure the temperature more frequently than every 20 minutes.
d) Make sure all cups are the same size and made of the same material.
d) Make sure all cups are the same size and made of the same material.
500
The characteristics below describe an object in our solar system. Which object is being described?
~cosmic snowball
~orbits our Sun
~frozen gases, rock and dust
~may have brought water to Earth
~dust and gases form a tail that stretches away from the Sun
comet
500
Jenna made an electric circuit as seen in the picture. She placed a thermometer near her light bulb. The light bulb was turned on for an hour.
Select the most likely observation.
a)The bulb glowed brighter over time.
b) The temperature in the thermometer went up.
c) The temperature in the thermometer went down.
d) Both the light and temperature remained the same over time.
b) The temperature in the thermometer went up.
500
Some plants live in environments with harsh winds. Those plants with adaptations that make them well suited for this environment survive and reproduce while those less equipped die out. Which of these plants will survive best in a windy environment?
a) tall plants
b) plants with large leaves
c) plants with flexible stems
d) plants with more flowers
c) plants with flexible stems
500
A student builds a model of the water cycle using a plastic container filled with warm water and a piece of plastic wrap stretched across the top. After several minutes, water droplets begin to form on the underside of the plastic wrap.
Which statement BEST describes how this model shows a stage in the water cycle?
a) The warm water represents precipitation falling to Earth.
b) The plastic wrap represents clouds where condensation occurs.
c) The droplets represent groundwater stored beneath Earth’s surface.
d) The plastic container represents wind moving water vapor through the air.
b) The plastic wrap represents clouds where condensation occurs.