Science End of the Year Review

The photo shows white blood cells attacking bacteria. This helps the body

• store water in cells.

• remove waste from cells.

• defend against infections.

• digest different types of food.

Which statement is true about the physical properties of LIQUIDS?

• A liquid fills the total volume of its container.

• A liquid takes the shape of its container.

• A liquid forms crystals when it moves.

• A liquid expands when it moves.

The video shows temperature affected by convection currents in the air. Which BEST explains how heat is transferred by convection in the air?

• hot air rises and cold air rises

• hot air sinks and cold air rises

• hot air rises and cold air sinks

• hot air sinks and cold air sinks

Tags

NGSS.MS-ESS2-5

When a frog breathes through its skin, which of the following does it take in?

• carbon dioxide

• food energy

• heat

• oxygen

Which is the original source of energy in any land ecosystem?

• water

• animals

• producers

• sunlight

Tags

NGSS.MS-LS2-3

Which body system exchanges oxygen for carbon dioxide in humans?

• muscular

• digestive

• endocrine

• respiratory

Which explains why the bubbles move to the surface of the water in the video?

• The air in the bubbles is less dense than the water.

• The air reacts with the water, forming bubbles.

• The air is expanding to fill the container.

• The air causes the water to boil.

This student wants to find out which flower color the bumble bees at the park are found on the most. With which step should start her investigation?

• identify the types of insects found at the park

• count the number of bumblebees found at the park

• record the different colors of flowers found at the park

• observe the time of day bumblebees are found at the park

The school globe shows the correct tilt of Earth. Which of these would happen when Earth completes a rotation around its axis?

• oceans on Earth would be smaller

• there would be lees sunlight on earth

• one day on Earth would have passed

• temperatures would be lower at Earth's poles

Tags

NGSS.MS-ESS1-1

On the food web, which organism other than the fox has no predators?

• owl

• grasshopper

• frog

• clover

Tags

NGSS.MS-LS2-2