LET'S BRING THE PAST BACK

When pouring juice for your family, you give 1 pint to each person. What scientific measurement are you making?

• Area

• Mass

• Temperature

• Volume

A hypothesis:

• may be correct, partially correct, or incorrect.

• is always wrong.

• is always right.

• should be a random guess.

In Jessica’s bread mold experiment, she used the same brand of bread and sandwich bags. She placed the sealed bags in places that had varying temperatures. What are her control variables?

• temperature.

• mold.

• same brand of bread and sandwich bags .

• different brands of breads and sandwich bags.

Which of the following is an organ system?

• Intestine

• Heart

• Circulatory

• Pancreas

Only organisms who are of the same __________________ can reproduce with one another.

• species.

• family.

• cell.

• kingdom.

The simplest form of matter is known as a(n) _____________.

• cell

• atom

• molecule

• element

_________are substances that include sugars and starches.

• lipids

• carbohydrates

• compound

• water

A drop of water moves from place to place on Earth through:

• the precipitation cycle.

• the monsoon cycle.

• the weather cycle.

• the water cycle.

Examples of a eukaryotic cells are:

• bacterial cells

• virus cells

• cytoplasm

• plant cells

Robert Hooke noticed what looked like tiny boxes when he looked at a sample of cork under a microscope. He called his discovery_______________.

• cells

• rooms.

• microscopic.

• cardboard