Nature of Science
Grace and Matt live in different towns. Their schools are working together on a project to study stars. Each friend is given an assignment to observe the stars each night for a month. They each recorded what they saw in a log. Which statement best describes why Grace and Matt should share their logs?
A. They could be less careful in keeping records
B. They could learn more from each other's observations
C. They could spend less time observing the stars each night
D. They could use each other's observations to fill in any missing data.
B. They could learn more from each other's observations.
What is the main way the stem of a plant helps the plant feed itself?
A. by collecting air
B. by collection sunlight
C. by taking nutrients to the roots
D. by bringing water to the leaves
B. by collecting sunlight
In what way are a glass marble and a tennis ball most similar?
A. Size
B. Shape
C. Texture
D. Hardness
B. Shape
Vicki makes a model of Earth and the sun. She uses a ball to represent each object in the model. Which of these would be most important to add to the model to better understand how Earth orbits the sun?
A. glitter paint for the sun to look more real
B. blue paint for the Earth ball to show the water
C. a wire for the Earth ball to move around the sun
D. plastic figures to look like people looking at the sun
Children in Ms. Coyne’s class were using a balance. What property of matter was being investigated?
A. Volume
B. Mass
C. Grams
D. Meters
B. Mass
Emily wants to see how a plant will grow when it gets light from just one side. She finds a plant that was growing straight up. She puts it net to a window so that it now gets light from only one side. She thinks the plant will lean toward the window as it grows.
How could Emily record her observations to show how the plant responds to a change of light?
a. weigh the plant three times each day
b. write down the length of the stem as it grows
c. draw pictures of the plant as its position changes
d. make a table showing how much water the plant gets each week
c. draw pictures of the plant as its position changes
Lillian is studying how plants respond to the pull of gravity. Which of these is most likely caused by a plant responding to gravity?
a. large flowers
b. narrow stems
c. roots that grow down
d. leaves that grow wide
c. roots that grow down
A. From gas to liquid
B. From a liquid to gas
C. From a liquid to a solid
D. From a solid to a liquid
B. from a liquid to a gas.
Which statement about the sun is true?
A. It is the largest star that exists
B. It is a star that gives off energy
C. It is a planet that gives off light
D. It is the brightest planet that exist
B. It is a star that gives off energy
Ginger and Wendy found the mass of their new pencils. Ginger said her pencil had a mass of 11 grams. Wendy said her pencil had a mass of 13 grams. Why might the girls get different masses for their new pencils?
A. Ginger sharpened her pencil before she found the mass
B. Wendy used plastic gram weights
C. Ginger used metal gram weights
D. Both girls placed their pencils in the center of the tray
A. Ginger sharpened her pencil before she found the mass
A teacher wants to make a large plastic fin to show students how fish use fins to swim faster. What can the plastic fin be called?
a. a model
b. a diagram
c. an experiment
d. a measurement
a. a model
Melanie is telling her sister about an arthropod she has been studying. How could she explain why the animal is an arthropod?
a. it can fly
b. it has a backbone
c. it has jointed legs
d. it can live in water
c. it has jointed legs
Electrical energy is energy produced by...
A. objects in motion
B. the vibration of matter
C. the glowing wire in a lightbulb
D. charges moving through circuit
D. charges moving through circuits
Brianna looked out her window and saw some stars. She wrote in her notebook that the stars look like small points of light. Brianna wonders why all of the stars in the night sky look so small. Which property of the stars best explains why they all looked like small points of light from Brianna's window?
A. They give off very little light
B. They have cool temperatures
C. They are far away from Earth
D. They are much smaller than Earth
C. They are far away from Earth
Write the definition of mass. Write the tool you use to measure the mass of an object.
How much matter an object has. You use a balance scale to measure the mass of an object.
Helen was in line to ride a roller coaster with several of her friends. She noticed that Susanna got out of the roller coaster line and went to stand with her parent. What can Helen infer?
a. Susanna really likes to ride roller coasters.
b. Susanna did not want to ride the roller coaster.
c. Susanna wanted to go to the front of the line.
d. Susanna wanted to take pictures of the sky.
b. Susanna did not want to ride the roller coaster.
A scientist is studying a fossil of an ancient animal. What should the scientist look for in order to learn whether this animal was a reptile or fish?
a. evidence of fur
b. evidence of limbs
c. evidence of scales
d. evidence of a skull
c. evidence of scales
What happens to light after it hits a mirror?
A. It bounces off the mirror
B. It goes around the mirror
C. It goes straight through the mirror
D. It goes through the mirror and bends
Which of these is a true statement about stars?
A. Stars all have the same color
B. Stars can be many different sizes
C. The coolest stars are the brightest in the sky
D. The stars that are the farthest away are the brightest.
B. Stars can be many different sizes
How much space an object takes up. You use a graduated cylinder to find the volume of an objects.
Which statement is an observation?
a. The fish like swimming in the waves.
b. The waves made boating lots of fun.
c. The waves washed shells onto the beach.
d. The waves hitting the beach will knock people down
c. The waves washed shells onto the beach.
What do the leaves of a plant do to help the plant?
a. grow fruit
b. make food
c. take in water
d. hold up the plant
b. make food
Which of these describes how light travels through empty space?
A. It travels straight but may change direction to avoid objects
B. It changes direction often even if there are no objects
C. It comes to a stop after it travels a certain distance
D. It travels in a straight line without stopping
D. It travels in a straight line without stopping
Emma poured the same amount of water from the refrigerator in each of two cups. She then put one cup, Cup 1, in a sunny window and the other cup, Cup 2, in the shade away from the window. Emma will record the water temperature in each cup after an hour.
What will most likely happen to the water temperatures in the two cups after one hour?
A. Cup 1 will have a higher temperature than Cup 2.
B. Cup 2 will have a higher temperature than Cup 1.
C. The water temperature in both cups will decrease.
D. The water temperature in both cups will be the same.
A. Cup 1 will have a higher temperature than Cup 2.
Davion was holding different objects with his eyes closed and trying to describe what he felt. Which word describes how an object feels to the touch?
A. Color
B. Hardness
C. Odor
D. Texture
D. Texture