Who is responsible for the conversion of sunlight into chemical energy in plants?
Photosynthesis
Which of the following materials is most likely to have the highest specific heat capacity? (iron, water, sand, or aluminum)
Water
What is the primary source of energy for the Earth’s climate system?
The Sun
Which medical technology can be used to detect cancerous tumors?
MRI (Magnetic Resonance Imaging)
What tool measures the volume of an object?
Graduated Cylinder
Which molecule carries genetic information in cells?
DNA
Which of the following types of waves does not require a medium to travel? (sound, water, electromagnetic, or seismic)
Electromagnetic Waves
What is responsible for the occurrence of tides on Earth?
The gravitational pull of the Moon and the Sun
Which natural resource is a fossil fuel?
Coal
Which steps should students take before making a hypothesis in a scientific experiment?
Research
Which organ in the human body is primarily responsible for filtering waste from the blood?
Kidneys
What is the best conductor of electricity? (hint: Cu)
Copper
Which planet in our solar system has the largest number of moons?
Jupiter
In the context of the scientific method, what is the purpose of a hypothesis?
To predict the outcome of an experiment
What is the purpose of a control group in an experiment?
To compare the effects of the experimental group with a baseline
Which type of reproduction involves the fusion of male and female gametes?
Sexual Reproduction
What happens to the force of gravity between two objects if the mass of one object is doubled?
The gravitational force doubles
Which gas is most abundant in Earth's atmosphere?
Nitrogen
In a circuit, if the resistance is increased, what will happen to the current, assuming the voltage remains constant?
The current will decrease
A scientist is conducting an experiment to determine how the amount of light affects the growth of plants. The scientist changes the amount of light and measures the height of the plants each day. Which of the following is the dependent variable?
The height of the plant
Which type of muscle is responsible for involuntary movements, such as the contraction of the heart?
Cardiac Muscle
Potential Energy is the stored energy in an object due to its position, properties, and forces acting on it.
Is a moving car potential energy?
No, an example of this is a stretched rubber band because it's waiting to happen rather than happening.
What is the name of the first man-made satellite launched into space?
Sputnik 1
Which processes involves the conversion of glucose into ATP (energy) in cells?
Cellular respiration
A scientific experiment is conducted to test the effects of different fertilizers on plant growth. The independent variable in this experiment would be:
The type of fertilizer used