HiSET Science Practice Questions

A scientist tests the effect of sunlight on plant growth. She grows two groups of plants: Group A is placed in full sunlight. Group B is placed in a dark room. All other conditions (water, soil, temperature) are kept the same. Which is the independent variable in this experiment?

• Amount of water

• Type of soil

• Amount of sunlight

• Temperature

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

A graph shows the average daily temperature over one week. The temperature increases steadily for the first 3 days, then decreases over the next 4 days.

• The temperature stayed the same all week.

• The temperature rose at first, then fell.

• The temperature only decreased.

• The temperature only increased.

Which part of a cell controls most of the cell’s activities and contains genetic material?

• Mitochondria

• Nucleus

• Cell membrane

• Cytoplasm

Tags

NGSS.MS-LS1-2

Rabbits in a forest eat grass. Hawks eat the rabbits. Which of the following is true?

• Grass → Hawks → Rabbits

• Rabbits → Grass → Hawks

• Grass → Rabbits → Hawks

• Hawks → Rabbits → Grass

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Water changes from a liquid to a gas during evaporation. Which best describes this change?

• Chemical change

• Physical change

• Reaction with oxygen

• Formation of a new substance

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A car travels 120 miles in 2 hours. What is its average speed?

• A. 40 miles per hour

• B. 60 miles per hour

• C. 100 miles per hour

• D. 240 miles per hour

Which layer of Earth is made of solid rock and forms the continents and ocean floor?

• Inner core

• Outer core

• Mantle

• Crust

Tags

NGSS.MS-ESS2-1

The Earth's tilt on its axis is responsible for:

• Day and night

• Seasons

• Gravity

• Earthquakes

Tags

NGSS.MS-ESS1-1

Which system of the human body is responsible for pumping blood throughout the body?

• Digestive system

• Circulatory system

• Nervous system

• Respiratory system

Which nutrient provides the body with the main source of energy?

• Proteins

• Carbohydrates

• Vitamins

• Minerals