5th Grade Science
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Biology
100

If it is Summer in the United States, what season is it in Australia in the Southern Hemisphere?


Winter

100

Does sound travel faster through water or air?

Water

100

Which cell structure acts like the brain of the cell and contains DNA?

Nucleus

100

What is the layer of mixed gases around the Earth called?

  1. Hemisphere
  2. Atmosphere
  3. Asthenosphere
  4. Lithosphere

2. Atmosphere

100

Anaerobic bacteria will not survive if exposed to:

1. Nitrogen

2. Hydrogen

3. Water

4. Oxygen

4. Oxygen

200

If we boil water in a closed system what can we expect to happen to the amount of matter in that system?

1. It will decrease

2. It will increase

3. Water is not made of matter

4. It should remain the same

4. It should remain the same

200

What is the unit for force?

1. Ounces

2. Gravity

3. Newtons

4. Joules

3. Newtons

200

The preserved remains of once-living organisms are called?

Fossils
200

Which of these parts of the human body are NOT parts of the circulatory system?

1. Heart

2. Veins

3.Lungs

4. Arteries

3. Lungs

200

Gregor Mendel is known as the founder of the modern science of genetics. What type of plants did he use to establish the rules of heredity?

1. Apples

2. Peas

3. Willows

4. Daisies 

2. Peas

300

Which of the following biomes receives the most amount of rainfall throughout the year?

1. Grassland

2. Desert

3. Tundra

4. Forests

4. Forests

300

Which is the hottest planet in the solar system?

1. Jupiter

2. Mars

3. Saturn

4. Venus

4. Venus

300

 The food or chemical energy source made by plants through photosynthesis is:

1. Water

2. Carbon dioxide

3. Glucose

4. Iron

3. Glucose

300

How do herbivores acquire energy?

They consume plants

300

What is an autotroph?

An organism that makes its own food

400

Which of these X-Y chromosomes pairs is not a possibilty?

1. XY

2. YY

3. XX

4. These are all possible

2. YY

400

 One of the most important functions of microorganisms in an ecosystem is that they:

1. Decompose dead organisms

2. Limit the number of large animals

3. Produce food using the sun's energy

4. Provide food for large animals

1. Decompose dead organisms

400

Morning dew is an example of which portion of the water cycle?

1. Transpiration

2. Condensation

3. Evaporation

4. Precipitation 

2. Condensation

400

What happens to a species when its environment changes and it does not adapt?

Extinction

400

T-cells, B-cells, macrophages, and platelets are all part of the ___________ system

1. Circulatory

2. Digestive

3. Immune

4. Endocrine

3. Immune

500

Explain the difference between weight and mass. 

Your mass is the same no matter where you go in the universe; your weight, on the other hand, changes from place to place.

The difference between mass and weight is the mass is a measure of the amount of matter in an objects, while weight is a measure of the effect of gravity on that mass. In other words, gravity causes a mass to have weight.

500

What are the products of photosynthesis?

1. Carbon dioxide and water

2. Oxygen and water

3. Water and sugar

4. Oxygen and sugar

4. Oxygen and sugar

500

 "For every action, there is an equal and opposite reaction."

Which is Newton's Laws does this describe?

Newton's 3rd Law

500

Explain the difference between a physical reaction and a chemical reaction.

Double the points if you can give a detailed example of each.

A physical reaction results in no change in the chemical makeup of the original substance. 

A chemical reaction causes a chemical, or compositional change of a substance by breaking/forming chemical bonds.

500

All organisms contain 4 organic molecules. Which of the following groups contains fatty acids and glycerol, is insoluble in water, and functions in long-term energy storage?

1. Carbohydrates

2. Nucleic acid

3. Proteins

4. Lipids

4. Lipids
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