Weather
Riley collects daily weather data for several months in North Carolina. She then finds the average temperature range each month. The table below shows her data.
August 90–100
September 80–95
October 80–90
What best explains the reduced temperatures from August-October
The seasons are transitioning from summer to autumn.
Sam’s dog gave birth to a litter of puppies. Some puppies have white spots, but the other puppies do not. Which question will help Sam know if the spots are the result of an inherited trait?
Do any of the puppies’ parents have white spots?
In what way are the muscular system and skeletal system of the human body similar?
Both provide structural support for the body.
Steve has a cooler made of insulating foam. He places bottles of water, cans of soda, and a watermelon into the cooler.
If Steve removes a can of soda from the cooler, how will this affect the weight of the cooler?
The weight of the cooler will be reduced.
Tommy wondered, “Does the temperature of a metal wire affect its length?” Tommy’s science teacher helped him carry out an investigation to test his question. They followed the steps below.
1. Get a 20-centimeter-long piece of metal wire.
2. Heat the center of the wire with a small candle.
3. Measure the length of the wire every five minutes.
He collected the following measurements:
5 minutes = 22 inches
10 minutes = 24 inches
15 minutes = 26 inches
What can Tommy conclude based on his data?
Heating a wire increases the wire's length.
A meteorologist predicted clear, sunny skies. Which weather data most likely helped her make this prediction?
an increase in air pressure
In what way are the muscular system and skeletal system of the human body similar?
Both provide structural support for the body.
Which statement describes the cellular organization of humans?
A Humans are made of one cell that carries out all of life’s processes.
B Humans are made of many cells that all carry out the same life process.
C Humans are made of one cell that contains many different types of tissues.
D Humans are made of many cells that are organized into specialized tissues and organs.
D
Steve tried to push the cooler across the concrete driveway, but was not able to.
He placed a towel under the cooler and was then able to drag it across the driveway. How did adding the towel most likely affect him being able to move the cooler?
The towel helped reduce friction.
Renee has two candles that have the same shape and length. One candle is made of beeswax, and the other is made of paraffin wax. Renee lights the candles and measures their length every twenty minutes. The table below shows her measurements.
20 min. paraffin: 30 beeswax: 30
40 min. paraffin: 26 beeswax: 28
60 min. paraffin: 22 beeswax: 26
Which kind of wax would make a longer-lasting candle?
beeswax, because the beeswax candle melted slower than the paraffin wax candle
A small, uncovered glass of salt water was left outside in the warm sun. Several days later, the water in the glass was gone, leaving only the salt crystals. What happened to the water in the glass?
The heat from the sun caused the water to evaporate into the atmosphere.
What would most likely happen if all the decomposers in an ecosystem disappeared?
There would be fewer nutrients available for the other organisms in the ecosystem.
How are the functions of the nervous system and the circulatory system similar in the human body?
The nervous system sends and receives signals throughout the body, and the circulatory system moves blood and nutrients throughout the body.
The objects in the cooler are listed below with their mass.
bottles of water 240 oz.
cans of soda 130 oz.
watermelon 135 oz.
The total weight of the cooler and all the objects is 615 ounces. How could Steve figure out the weight of just the cooler?
Add the objects that are inside the cooler together and then subtract it from the total weight of the objects and cooler together.
Paul rolls an orange and a grape with the same force across a table. Why does the orange move slower?
because the orange has more mass than the grape
The table below shows a city’s weather data for the past four days.
Friday 54 degrees wind: 8
Saturday 58 wind: 2
Sunday 52 wind: 2
How does the weather on Saturday compare to the weather on Monday
Monday 56 wind: 6
It was warmer and less windy on Saturday than on Monday
Which example is an acquired characteristic?
A liking peanut butter
B having wavy hair
C being 5 feet, 1 inch tall
D having freckles on the face
A
This system sends and receives messages for the rest of the body
nervous system
Steve tried to lift the cooler into his car, but was unable to do so. What could he do to make it easier to lift the cooler?
decrease the cooler's mass
Lillian carried out an investigation using a beach ball. She left a fully inflated beach ball outside at 7:00 p.m. She noticed the outdoor temperature at 7:00 p.m. was 73 degrees Fahrenheit. At 6:00 a.m. the next morning, Lillian found the beach ball and noticed it was deflated. She observed the outdoor temperature at 6:00 a.m. was 45 degrees Fahrenheit.
What can Lillian conclude based on this information?
The beach ball lost some heat overnight, which caused it to deflate
Which action would make sure Sarah was only measuring the amount of rain that fell on one day?
make a measurement at the end of the day, and then empty the rain gauge
Producers get their energy from the _____________.
sun
Explain how the circulatory and respiratory systems work closely together.
The circulatory transports oxygen to cells and picks up carbon dioxide. The heart pumps the blood containing oxygen and carbon dioxide into the lungs, where the respiratory system gets rid of carbon dioxide and brings in oxygen.
Kendal has two cups. The table below lists the color and weight of each cup.
blue 4.0
yellow 6.0
Kendal puts 2.0 ounces of sand into the blue cup, and 2.0 ounces of water into the yellow cup. How does the change in the blue cup’s total weight compare to the change in the yellow cup’s total weight?
The blue cup and yellow cup experienced the same change in total weight.
Kasey is designing a glove that can protect a person’s hand from heat. She tests two materials to identify which should be used to make the glove. Kasey heats each material over a flame for 30 seconds and records their temperature change in the table below.
Material 1: Before Heating: 72 After Heating:95
Material 2: Before Heating: 72 After Heating: 78
Which material should Kasey use to make the glove?
Material 2, because it experienced a smaller temperature change than Material 1