Science

This is the most critical part of the plant’s life.

• Water

• Pollination

• Nutrients

• Photosynthesis

Which of the following is true about animals

• They migrate due to weather

• They eat grass

• They are very harmful

Which gases cause acid rain? More options can be selected

• Nitrogen oxides

• Carbon dioxide

• Sulphur dioxide

• Hydrogen oxides

To accurately model a solar eclipse, where would you place the golf ball?

• position W

• position X

• position Y

• position Z

Which of these examples would have the greatest force of gravitational attraction?

• Example 1 would have a large gravitational force because their masses are larger and they are further apart.

• Example 2 would have a large gravitational force because their masses are larger and they are closer together.

• Example 3 would have a large gravitational force because their masses are smaller and they are further apart.

• Example 4 would have a large gravitational force because their masses are smaller and they are closer together.

If you were making a model of the solar system, which object would be the most accurate to use for Saturn?

• ping pong ball, 4 cm

• soft ball, 12 cm

• beach ball, 30 cm

• soccer ball, 22 cm

Which of the following claims is supported by the data above?

• Gravitational force is not affected by mass.

• Gravitational forces are strongest between objects with the same mass.

• Gravitational forces are related to the mass of objects.

• Gravitational forces are weaker when one object has more mass than the other.

Based on the pattern in the data table, predict the period of Mars' orbit.

• less than 88 days

• between 88 and 224.6 days

• greater than 365.2 days

• exactly 2x 224.6 days

Which of the following is responsible for Earth's seasons?

• the orbit of the Earth around the Sun and Earth's rotation

• the orbit of the Earth around the Sun and rotation of the Sun

• the rotation of the Earth and the Sun

• the tilt of Earth's axis and its orbit around the Sun

If you were using a baseball, golf ball, and basketball to model the relative motions of the Earth, Moon, and Sun, what would you have to do?

• Move the golf ball around the basketball and the basketball around the baseball.

• Move the basketball around the baseball and the baseball around the basketball.

• Move the golf ball around the baseball and the baseball around the basketball.

• Move the baseball around the golf ball and the golf ball around the basketball.