What type of energy makes a stove hot enough to cook food?

How does light energy from the sun reach Earth?

Which of these materials is a good conductor of electricity?

What is an electric circuit?

Which instrument is used to measure air temperature?

What is climate?

What type of rock is formed from layers of sand, mud, and shells that are pressed together over time?

Which statement best describes a mineral?

What does 'making an observation' mean in science?

A class recorded the weather for a week: Monday (Rainy), Tuesday (Cloudy), Wednesday (Sunny), Thursday (Sunny), Friday (Sunny), Saturday (Rainy), Sunday (Sunny). How many sunny days were there?

What is energy?

Describe the basic parts of a simple electric circuit and how they work together to light a bulb.

Name one instrument used by meteorologists to measure weather and explain what it measures.

Describe one physical property that can be used to identify a mineral.

If you leave a crayon on a sunny windowsill on a hot day, what do you think will happen to it? Explain why.

A class recorded the outdoor temperature at noon each day for five days:

• Monday: 15°C
• Tuesday: 17°C
• Wednesday: 20°C
• Thursday: 16°C
• Friday: 12°C

Part A: Describe the pattern of temperature change over these five days.

Part B: What type of graph would be best to show this data, and why? Explain how you would label its axes.

A student wants to find out if the amount of sunlight affects how tall a plant grows. They have two identical plants. They put Plant A in a sunny window and Plant B in a dimly lit corner. They give both plants the same amount of water and measure their height every day for two weeks.

Part A: Write a hypothesis for this experiment.

Part B: Identify the independent variable.

Part C: Identify the dependent variable.