Science Practice Test 7

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You’ll face Science section, just like in the real exam.
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1 / 40

Which process describes liquid water turning into ice?

A) Melting

B) Freezing

C) Condensation

D) Sublimation

2 / 40

Which tool measures the temperature of a substance?

A) Ruler

B) Balance

C) Thermometer

D) Beaker

3 / 40

Which gas do humans exhale as a waste product?

A) Oxygen

B) Carbon dioxide

C) Helium

D) Nitrogen

4 / 40

Which planet is known as the “Blue Planet”?

A) Mars

B) Earth

C) Uranus

D) Neptune

5 / 40

A statement based on repeated experimental evidence is called a scientific .

6 / 40

The basic unit of heredity passed from parents to offspring is the .

7 / 40

A push or pull applied to an object is called a .

8 / 40

The path Earth takes around the Sun is called its .

9 / 40

The process by which plants make food is called .

10 / 40

The phase of matter with the lowest energy is .

11 / 40

Which events are caused by tectonic plate movement?

A) Volcanoes

B) Earthquakes

C) Condensation

D) Mountain formation

12 / 40

Which items are conductors of heat?

A) Copper

B) Glass

C) Iron

D) Wood

13 / 40

Which factors can reduce the rate of photosynthesis?

A) Low light

B) Poor soil

C) High pollution

D) Adequate water

14 / 40

Which human activities harm biodiversity?

A) Habitat destruction

B) Overfishing

C) Wildlife protection laws

D) Pollution

15 / 40

Which processes are involved in the water cycle?

A) Sublimation

B) Photosynthesis

C) Condensation

D) Precipitation

16 / 40

Which choices represent physical properties of matter?

A) Texture

B) Mass

C) Combustibility

D) Color

17 / 40

Which observations indicate a chemical reaction occurred?

A) Temperature increase

B) Formation of a solid

C) Change of state

D) Production of a gas

18 / 40

Which conditions support photosynthesis?

A) Sunlight

B) Water

C) Oxygen

D) Carbon dioxide

19 / 40

Which actions reduce the amount of waste entering landfills?

A) Composting organic material

B) Recycling paper

C) Burning plastic

D) Buying unnecessary items

20 / 40

Which of the following are renewable energy sources?

A) Wind

B) Coal

C) Solar

D) Oil

21 / 40

Which unit is used to measure force?

A) Joule

B) Newton

C) Watt

D) Volt

22 / 40

Which factor most affects climate?

A) Day of the week

B) Latitude

C) Soil color

D) Length of rivers

23 / 40

Which plant structure is responsible for gas exchange?

A) Roots

B) Stem

C) Stomata

D) Seeds

24 / 40

What is an example of a physical change?

A) Burning coal

B) Rusting metal

C) Melting wax

D) Baking bread

25 / 40

Which process forms clouds?

A) Condensation

B) Evaporation

C) Runoff

D) Infiltration

26 / 40

Which type of energy does a thrown baseball have?

A) Chemical energy

B) Kinetic energy

C) Sound energy

D) Nuclear energy

27 / 40

Which event causes earthquakes?

A) Rising sea levels

B) Movement of tectonic plates

C) Weather changes

D) Solar flares

28 / 40

Which statement describes the role of mitochondria?

A) They store water

B) They control cell division

C) They produce energy

D) They build cell membranes

29 / 40

Which body system breaks down food into nutrients the body can use?

A) Respiratory system

B) Digestive system

C) Nervous system

D) Endocrine system

30 / 40

Which type of rock forms from cooled lava at Earth’s surface?

A) Sedimentary

B) Extrusive igneous

C) Metamorphic

D) Intrusive igneous

31 / 40

Which process adds water vapor to the atmosphere?

A) Precipitation

B) Evaporation

C) Condensation

D) Infiltration

32 / 40

What is the main function of white blood cells?

A) Carry oxygen

B) Fight infections

C) Maintain body temperature

D) Break down food

33 / 40

Which part of Earth is made of liquid iron and nickel?

A) Crust

B) Mantle

C) Inner core

D) Outer core

34 / 40

What property of matter is measured in grams?

A) Density

B) Mass

C) Volume

D) Weight

35 / 40

Which planets are known as gas giants?

A) Mercury and Venus

B) Venus and Earth

C) Jupiter and Saturn

D) Mars and Mercury

36 / 40

A student tests how different soil types affect plant growth. What is the independent variable?

A) Amount of water

B) Type of soil

C) Height of plants

D) Number of seeds

37 / 40

Which force slows down a hockey puck on ice?

A) Gravity

B) Friction

C) Magnetism

D) Electricity

38 / 40

Which type of heat transfer occurs when the Sun warms Earth’s surface?

A) Conduction

B) Radiation

C) Convection

D) Fusion

39 / 40

What is the main source of energy for almost all food chains on Earth?

A) The Moon

B) The wind

C) The Sun

D) Ocean tides

40 / 40

Which organelle is responsible for producing proteins in a cell?

A) Mitochondria

B) Ribosomes

C) Nucleus

D) Vacuole

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