Q 1/44
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Some students used a globe to model the rotation of Earth. They shaded in Texas on the globe, as shown below. They rotated the globe and observed that Texas was in exactly the same place after each rotation.
The students could rotate the globe quickly or slowly. If the globe could rotate only at the rate that Earth actually rotates, about how long would each complete rotation take?
29
24 hours
30 days
365 days
60 minutes

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44 questions

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Q1
Some students used a globe to model the rotation of Earth. They shaded in Texas on the globe, as shown below. They rotated the globe and observed that Texas was in exactly the same place after each rotation.
The students could rotate the globe quickly or slowly. If the globe could rotate only at the rate that Earth actually rotates, about how long would each complete rotation take?
24 hours
30 days
365 days
60 minutes
60s
5.8c
Q2
A student observes ice forming on the edge of a school building. At what temperature did the water outside the school building most likely begin to change to ice?
$32°C$
$25°C$
$0°C$
$100°C$
60s
5.5b
Q3
The caterpillars of monarch butterflies eat milkweed leaves. Milkweed leaves contain sap that is toxic to many animals but not to monarch butterfly caterpillars. This sap makes the monarch butterfly caterpillars toxic to predators and protects them from being eaten.
Which of these is an inherited trait of monarch butterfly caterpillars?
The ability of the caterpillars to eat toxic leaves without being harmed
The number of leaves on the milkweed plants that the caterpillars visit each summer
The number of milkweed leaves the caterpillars eat each day
The size of the milkweed leaves that the caterpillars eat
60s
5.10b
Q4
The picture below shows a child standing in a swimming pool.
Why does the lower part of the child appear so much different in size from the upper part?
The light rays that travel through water and then into air are enlarged.
The light rays that travel through air and then into water are reflected.
The light rays that travel through air and then into water are reduced.
The light rays that travel through water and then into air are refracted.
60s
5.6c
Q5
Animals and plants use substances that cycle through the environment. Which substance is needed by plants to survive and is released into the environment by animals?
Oxygen
Salt
Carbon dioxide
Sugar
60s
5.9d
Q6
Which of the methods of generating electricity shown below does NOT use alternative energy resources?
60s
Q7
A student makes a model of the water cycle by using a cup, some water, and plastic wrap. After the student places the model near a sunny window, moisture forms on the inside of the plastic wrap.
What change is the student most likely observing in this model?
The formation of clouds
Condensation
The warming of air
Freezing
60s
Q8
The Rio Grande Valley is located at the southern tip of Texas at the end of a long river known as the Rio Grande.
How did the delta at the end of the Rio Grande form?
Hurricanes pushed soil and debris from the Gulf of Mexico onto the land.
Sand and mud from the Gulf of Mexico were washed ashore by tsunamis
The river deposited large amounts of sediment from land erosion
The river cut through the solid bedrock of the valley.
60s
5.7b
Q9
Which table shows the correct role of each organism in the food chain below?
Algae→ shrimp →arctic cod→ ringed seals→ polar bears
60s
5.9b
Q10
A student observes that the craters on the moon are different sizes. The student designs an experiment to study the formation of craters. The materials for the experiment are marbles and a pan of flour. The student makes a hypothesis that the size of the craters made on the surface of the flour will depend on the height from which the marble is dropped. Some of the steps in the student’s experiment are described below.
Which of these is most likely Step 3 in the student’s experiment?
Drop the same marble from different heights into the pan of flour
Drop marbles of different masses from the same height into the pan of flour
Drop a single marble one time into the pan of flour
Drop marbles of different sizes from different heights into the pan of flour
60s
5.6d
Q11
A teacher is setting up the terrarium shown below in a science classroom. Which of these organisms is best suited for the terrarium?
Blue jay
Lobster
Snail
Water lily
60s
Q12
Several students investigate the characteristics of soil. The students observe samples of common soils. In one sample they observe that water drains through the soil easily. When they rub the soil between their fingers, it feels rough and scratchy, and its particles feel hard. The soil the students observed is most likely —
clay
loam
silt
sand
60s
Q13
The life cycles of a butterfly and a chigger are shown below. How is the life cycle of chiggers different from the life cycle of butterflies?
Chigger larvae have legs.
Chiggers have a nymph phase
Chigger larvae hatch from eggs.
Chiggers go through metamorphosis.
60s
Q14
A student measures the mass of several substances and records the results in the table below.
What is the difference in grams between the total mass of the liquid substances and the total mass of the solid substances used in the investigation? Be sure to use the correct place value.
Users enter free text
Type an Answer
60s
5.5a
Q15
The diagram shows the metal posts that are usually found on a battery.
The battery can be connected to a bell and a switch to produce sound. Which statement best explains why there are two metal posts on the battery?
One metal post makes a complete circuit with the switch, and the other metal post makes a complete circuit with the bell.
The battery needs to form a complete circuit that starts with one metal post and ends with the other metal post.
One metal post makes the bell start to ring, and the other metal post makes the bell ring louder.
The battery needs only one metal post to connect to the bell, but the other metal post is present in case the first post fails to work.
60s
5.6b