TCAP Science Practice

Which of these describes what will be seen when looking at the stars from Earth?

• Capella appears brighter than Sirius but dimmer than Polaris when viewed from Earth.

• Spica appears dimmer than Polaris but brighter than Capella when viewed from Earth.

• Capella appears brighter than Spica but dimmer than Sirius when viewed from Earth.

• Polaris appears brighter than Spica but dimmer than Capella when viewed from Earth.

Which two distances are the best predictions to complete the table? Toy Car Motion Table: Measurements 1 to 6, Distances 4 cm, 8 cm, 12 cm, 16 cm, ?, ?, Times 10 s, 20 s, 30 s, 40 s, 50 s, 60 s.

• 18 cm, 20 cm

• 20 cm, 24 cm

• 24 cm, 28 cm

• 28 cm, 30 cm

A solar eclipse is most likely to occur when the moon is in which position?

• position 1

• position 2

• position 3

• position 4

Which three statements correctly describe how gravity is affected by mass and distance?

• The gravity between Earth and the moon would be stronger if the moon were closer to Earth.

• The gravity between the sun and Earth would be weaker if Earth were closer to the sun.

• The gravity between Earth and the moon would be stronger if the moon had more mass.

• The gravity on the surface of the moon would be weaker if the moon stayed the same size but had more mass.

• The gravity on the surface of Earth would be stronger if the distance to the center of Earth were smaller but had the same mass.

The changes in the number of daylight hours on Earth are caused by

• the tilt of Earth’s axis.

• the tilt of the sun’s axis.

• the distance of Earth from the sun.

• the movement of the sun around Earth.

Because Organism T was found in rock layers 4 and 5, what conclusion can be made?

• Layer 1 is the oldest of the rock strata in the diagram.

• Layer 3 was formed less than 250 million years ago.

• The formation of layer 5 occurred less than 250 million years ago.

• Organism T existed on Earth for only a few years.

Which three plant characteristics are most likely a result of interactions with the environment?

• All of the seeds sprout roots that grow down.

• If the plants are not watered, they start to droop.

• The mature plants produce long green pods containing beans.

• The plants have green stems, green leaves, and white flowers.

• The shoots all bend to grow toward the only source of sunlight.

Which mixture went through changes that produced new substances?

• Mixture 1, because it formed only a liquid

• Mixture 1, because it had no color

• Mixture 2, because bubbles formed

• Mixture 2, because no solid formed

Which objects are most likely moons?

• Objects 1 and 2.

• Objects 2 and 4.

• Objects 3 and 4.

• Objects 1 and 3.

The student starts a timer when she leaves Location 1. How many seconds will it take her to return to Location 1?

• 4.4 seconds

• 4.6 seconds

• 4.8 seconds

• 5.6 seconds