Science 4th 9 Weeks Review

Which planet has two moons, a rocky surface, is the 4th planet, and named after the Roman god of war?

• Venus

• Mars

• Jupiter

• Mercury

Which planets are rocky with a solid center that a spaceship could land on?

• Mercury, Venus, Mars, Earth

• Neptune, Venus, Earth

• Jupiter, Saturn, Neptune

• Uranus, Saturn, Earth, Mars

When viewed from Earth, why does the Sun appear brighter than all other stars in the night's sky?

• The Sun is larger.

• The Sun produces light.

• The Sun creates heat energy.

• The Sun is closer.

In the model shown below, the yellow arrows represent sunlight as it strikes Earth. Sunlight is most intense when it strikes Earth's surface directly at a 90-degree angle. When the Earth's surface receives sunlight that is spread over a much larger area, the energy from the Sun's rays is less intense. What part of the model below illustrates the most intense area of sunlight on Earth's surface?

Evaluate responses using AI:

OFF

Choose a word from the drop-down menu to complete the sentence below. Plants use [CHOICE 1] to convert light energy into chemical energy.

• photosynthesis
• evaporation

• respiration

• transpiration

Which organism is at the beginning of the food chain (source of energy)?

• decomposers

• consumers

• producers

• predators

Examine the food web below. If most of the mountain lions in this ecosystem are killed by a new type of virus, which population change is MOST LIKELY to occur?

• The deer population will increase because fewer will be killed by predators.

• The deer population will decrease because they will also catch the virus and die.

• The rabbit population will increase because there will be more grass to eat.

• The rabbit population will decrease because more hawks will eat them.

Tony threw a stick into a lake and it floated on the surface of the water. Which statement explains why the stick floated?

• The mass of the stick is greater than the mass of the water.

• The density of the stick is less than the density of the water.

• The mass of the stick is less than the mass of the water.

• The density of the stick is greater than the density of the water.

Sam was riding on a float in a parade. His job on the float was to throw candy to the people in the crowd. Sam noticed that every time he threw the candy high in the air, it would fall back to the ground. Sam correctly reasoned that the [CHOICE 1] caused the candy to fall back to the ground. Choose an option from the drop-down menu to complete the sentence.

• Earth's gravitational pull

• shape of the candy

• air resistance on the candy

• Earth's magnetic force

Examine the image below. Select ONE option from each of the three sections below to complete a claim about the image above.

• Full Moon

• New Moon

• Waxing Gibbous

• Waning Gibbous