Science Grade 2

Look and choose 3 examples of technology.

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What tool is this?

• hammer

• screwdriver

• stapler

• nail

What tool is this?

• hammer

• screwdriver

• stapler

• nail

What female Nobel Prize winner conducted research on radioactivity?

• Sandwich

• Tierra Guinn

• Marie Curie

• Isaac Newton

________________ is anything that has mass and takes up space.

• volume
• matter
• mass
• weight

Where can you find the smallest bone in the human body?

• Bottom foot

• Top hand

• Middle ear

• Nose

What is Newton's first law of motion?

• Every action has an equal opposite reaction

• An object in motion stays in motion unless acted upon by an unbalanced force

• The force acting on an object is equal to the mass of an object times its acceleration

• Sandwich

How many elements are there in the periodic table?

• 130

• 118

• 121

• 110

Most of a penny is made from what type of metal?

• Bronze

• Silver

• Iron

• Zinc

What is the molecular structure of table salt?

• Sandwich

• Molecular who?

• H2O

• NaCl